Finding the Third Proportional to 29,915,707.50 and 64,300,412.25

Step by Step Solution

1. Step 1: Write the proportion equation
   29,915,707.50 : 64,300,412.25 = 64,300,412.25 : x
2. Step 2: Convert to fraction form
   29,915,707.50/64,300,412.25 = 64,300,412.25/x
3. Step 3: Cross multiply
   29,915,707.50x = 64,300,412.25 × 64,300,412.25
4. Step 4: Simplify right side
   29,915,707.50x = 4,134,543,015,519,950
5. Step 5: Solve for x
   x = 4,134,543,015,519,950/29,915,707.50
6. Step 6: Final answer
   x = 138,206,426.02