Finding the Third Proportional to 91,645.50 and 141,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,645.50 : 141,901.50 = 141,901.50 : x
2. Step 2: Convert to fraction form
   91,645.50/141,901.50 = 141,901.50/x
3. Step 3: Cross multiply
   91,645.50x = 141,901.50 × 141,901.50
4. Step 4: Simplify right side
   91,645.50x = 20,136,035,702.25
5. Step 5: Solve for x
   x = 20,136,035,702.25/91,645.50
6. Step 6: Final answer
   x = 219,716.58