Finding the Third Proportional to 342,585 and 737,550

Step by Step Solution

1. Step 1: Write the proportion equation
   342,585 : 737,550 = 737,550 : x
2. Step 2: Convert to fraction form
   342,585/737,550 = 737,550/x
3. Step 3: Cross multiply
   342,585x = 737,550 × 737,550
4. Step 4: Simplify right side
   342,585x = 543,980,002,500
5. Step 5: Solve for x
   x = 543,980,002,500/342,585
6. Step 6: Final answer
   x = 1,587,868.71