Finding the Third Proportional to 99,108.50 and 141,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,108.50 : 141,281.50 = 141,281.50 : x
2. Step 2: Convert to fraction form
   99,108.50/141,281.50 = 141,281.50/x
3. Step 3: Cross multiply
   99,108.50x = 141,281.50 × 141,281.50
4. Step 4: Simplify right side
   99,108.50x = 19,960,462,242.25
5. Step 5: Solve for x
   x = 19,960,462,242.25/99,108.50
6. Step 6: Final answer
   x = 201,400.10