Finding the Third Proportional to 359,654 and 729,940

Step by Step Solution

1. Step 1: Write the proportion equation
   359,654 : 729,940 = 729,940 : x
2. Step 2: Convert to fraction form
   359,654/729,940 = 729,940/x
3. Step 3: Cross multiply
   359,654x = 729,940 × 729,940
4. Step 4: Simplify right side
   359,654x = 532,812,403,600
5. Step 5: Solve for x
   x = 532,812,403,600/359,654
6. Step 6: Final answer
   x = 1,481,458.30