Finding the Third Proportional to 47,308,860 and 69,167,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,308,860 : 69,167,209.50 = 69,167,209.50 : x
2. Step 2: Convert to fraction form
   47,308,860/69,167,209.50 = 69,167,209.50/x
3. Step 3: Cross multiply
   47,308,860x = 69,167,209.50 × 69,167,209.50
4. Step 4: Simplify right side
   47,308,860x = 4,784,102,870,016,890
5. Step 5: Solve for x
   x = 4,784,102,870,016,890/47,308,860
6. Step 6: Final answer
   x = 101,124,881.68