Finding the Third Proportional to 98,401.50 and 130,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,401.50 : 130,612.50 = 130,612.50 : x
2. Step 2: Convert to fraction form
   98,401.50/130,612.50 = 130,612.50/x
3. Step 3: Cross multiply
   98,401.50x = 130,612.50 × 130,612.50
4. Step 4: Simplify right side
   98,401.50x = 17,059,625,156.25
5. Step 5: Solve for x
   x = 17,059,625,156.25/98,401.50
6. Step 6: Final answer
   x = 173,367.53