Finding the Third Proportional to 99,136.13 and 141,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,136.13 : 141,322.50 = 141,322.50 : x
2. Step 2: Convert to fraction form
   99,136.13/141,322.50 = 141,322.50/x
3. Step 3: Cross multiply
   99,136.13x = 141,322.50 × 141,322.50
4. Step 4: Simplify right side
   99,136.13x = 19,972,049,006.25
5. Step 5: Solve for x
   x = 19,972,049,006.25/99,136.13
6. Step 6: Final answer
   x = 201,460.86