Finding the Third Proportional to 90,582 and 130,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,582 : 130,472.50 = 130,472.50 : x
2. Step 2: Convert to fraction form
   90,582/130,472.50 = 130,472.50/x
3. Step 3: Cross multiply
   90,582x = 130,472.50 × 130,472.50
4. Step 4: Simplify right side
   90,582x = 17,023,073,256.25
5. Step 5: Solve for x
   x = 17,023,073,256.25/90,582
6. Step 6: Final answer
   x = 187,929.98