Finding the Third Proportional to 66,160.13 and 99,849.38

Step by Step Solution

1. Step 1: Write the proportion equation
   66,160.13 : 99,849.38 = 99,849.38 : x
2. Step 2: Convert to fraction form
   66,160.13/99,849.38 = 99,849.38/x
3. Step 3: Cross multiply
   66,160.13x = 99,849.38 × 99,849.38
4. Step 4: Simplify right side
   66,160.13x = 9,969,897,687.89
5. Step 5: Solve for x
   x = 9,969,897,687.89/66,160.13
6. Step 6: Final answer
   x = 150,693.45