Finding the Third Proportional to 117,832,425,155 and 258,477,814,654

Step by Step Solution

1. Step 1: Write the proportion equation
   117,832,425,155 : 258,477,814,654 = 258,477,814,654 : x
2. Step 2: Convert to fraction form
   117,832,425,155/258,477,814,654 = 258,477,814,654/x
3. Step 3: Cross multiply
   117,832,425,155x = 258,477,814,654 × 258,477,814,654
4. Step 4: Simplify right side
   117,832,425,155x = 66,810,780,668,307,573,833,728
5. Step 5: Solve for x
   x = 66,810,780,668,307,573,833,728/117,832,425,155
6. Step 6: Final answer
   x = 566,998,265,379.19