Finding the Third Proportional to 99,501,176.25 and 215,300,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,501,176.25 : 215,300,605.50 = 215,300,605.50 : x
2. Step 2: Convert to fraction form
   99,501,176.25/215,300,605.50 = 215,300,605.50/x
3. Step 3: Cross multiply
   99,501,176.25x = 215,300,605.50 × 215,300,605.50
4. Step 4: Simplify right side
   99,501,176.25x = 46,354,350,728,666,632
5. Step 5: Solve for x
   x = 46,354,350,728,666,632/99,501,176.25
6. Step 6: Final answer
   x = 465,867,364.34