Finding the Third Proportional to 52,140,878 and 78,882,411

Step by Step Solution

1. Step 1: Write the proportion equation
   52,140,878 : 78,882,411 = 78,882,411 : x
2. Step 2: Convert to fraction form
   52,140,878/78,882,411 = 78,882,411/x
3. Step 3: Cross multiply
   52,140,878x = 78,882,411 × 78,882,411
4. Step 4: Simplify right side
   52,140,878x = 6,222,434,765,172,921
5. Step 5: Solve for x
   x = 6,222,434,765,172,921/52,140,878
6. Step 6: Final answer
   x = 119,338,895.01