Finding the Third Proportional to 90,132.38 and 141,384.38

Step by Step Solution

1. Step 1: Write the proportion equation
   90,132.38 : 141,384.38 = 141,384.38 : x
2. Step 2: Convert to fraction form
   90,132.38/141,384.38 = 141,384.38/x
3. Step 3: Cross multiply
   90,132.38x = 141,384.38 × 141,384.38
4. Step 4: Simplify right side
   90,132.38x = 19,989,541,494.14
5. Step 5: Solve for x
   x = 19,989,541,494.14/90,132.38
6. Step 6: Final answer
   x = 221,779.82