Finding the Third Proportional to 52,140,697 and 78,882,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,140,697 : 78,882,112.50 = 78,882,112.50 : x
2. Step 2: Convert to fraction form
   52,140,697/78,882,112.50 = 78,882,112.50/x
3. Step 3: Cross multiply
   52,140,697x = 78,882,112.50 × 78,882,112.50
4. Step 4: Simplify right side
   52,140,697x = 6,222,387,672,462,656
5. Step 5: Solve for x
   x = 6,222,387,672,462,656/52,140,697
6. Step 6: Final answer
   x = 119,338,406.09