Finding the Third Proportional to 99,201.75 and 141,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,201.75 : 141,802.50 = 141,802.50 : x
2. Step 2: Convert to fraction form
   99,201.75/141,802.50 = 141,802.50/x
3. Step 3: Cross multiply
   99,201.75x = 141,802.50 × 141,802.50
4. Step 4: Simplify right side
   99,201.75x = 20,107,949,006.25
5. Step 5: Solve for x
   x = 20,107,949,006.25/99,201.75
6. Step 6: Final answer
   x = 202,697.52