Finding the Third Proportional to 99,755.25 and 140,302.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,755.25 : 140,302.50 = 140,302.50 : x
2. Step 2: Convert to fraction form
   99,755.25/140,302.50 = 140,302.50/x
3. Step 3: Cross multiply
   99,755.25x = 140,302.50 × 140,302.50
4. Step 4: Simplify right side
   99,755.25x = 19,684,791,506.25
5. Step 5: Solve for x
   x = 19,684,791,506.25/99,755.25
6. Step 6: Final answer
   x = 197,330.88