Finding the Third Proportional to 272,200.50 and 591,624

Step by Step Solution

1. Step 1: Write the proportion equation
   272,200.50 : 591,624 = 591,624 : x
2. Step 2: Convert to fraction form
   272,200.50/591,624 = 591,624/x
3. Step 3: Cross multiply
   272,200.50x = 591,624 × 591,624
4. Step 4: Simplify right side
   272,200.50x = 350,018,957,376
5. Step 5: Solve for x
   x = 350,018,957,376/272,200.50
6. Step 6: Final answer
   x = 1,285,886.53