Finding the Third Proportional to 336,909 and 729,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,909 : 729,838.50 = 729,838.50 : x
2. Step 2: Convert to fraction form
   336,909/729,838.50 = 729,838.50/x
3. Step 3: Cross multiply
   336,909x = 729,838.50 × 729,838.50
4. Step 4: Simplify right side
   336,909x = 532,664,236,082.25
5. Step 5: Solve for x
   x = 532,664,236,082.25/336,909
6. Step 6: Final answer
   x = 1,581,032.97