Finding the Third Proportional to 343,981.50 and 729,591

Step by Step Solution

1. Step 1: Write the proportion equation
   343,981.50 : 729,591 = 729,591 : x
2. Step 2: Convert to fraction form
   343,981.50/729,591 = 729,591/x
3. Step 3: Cross multiply
   343,981.50x = 729,591 × 729,591
4. Step 4: Simplify right side
   343,981.50x = 532,303,027,281
5. Step 5: Solve for x
   x = 532,303,027,281/343,981.50
6. Step 6: Final answer
   x = 1,547,475.74