Finding the Third Proportional to 341,632 and 499,280

Step by Step Solution

1. Step 1: Write the proportion equation
   341,632 : 499,280 = 499,280 : x
2. Step 2: Convert to fraction form
   341,632/499,280 = 499,280/x
3. Step 3: Cross multiply
   341,632x = 499,280 × 499,280
4. Step 4: Simplify right side
   341,632x = 249,280,518,400
5. Step 5: Solve for x
   x = 249,280,518,400/341,632
6. Step 6: Final answer
   x = 729,675.55