Finding the Third Proportional to 117,832,424,878.50 and 258,477,814,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,832,424,878.50 : 258,477,814,171.50 = 258,477,814,171.50 : x
2. Step 2: Convert to fraction form
   117,832,424,878.50/258,477,814,171.50 = 258,477,814,171.50/x
3. Step 3: Cross multiply
   117,832,424,878.50x = 258,477,814,171.50 × 258,477,814,171.50
4. Step 4: Simplify right side
   117,832,424,878.50x = 66,810,780,418,876,484,091,904
5. Step 5: Solve for x
   x = 66,810,780,418,876,484,091,904/117,832,424,878.50
6. Step 6: Final answer
   x = 566,998,264,592.85