Finding the Third Proportional to 359,694 and 729,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,694 : 729,472.50 = 729,472.50 : x
2. Step 2: Convert to fraction form
   359,694/729,472.50 = 729,472.50/x
3. Step 3: Cross multiply
   359,694x = 729,472.50 × 729,472.50
4. Step 4: Simplify right side
   359,694x = 532,130,128,256.25
5. Step 5: Solve for x
   x = 532,130,128,256.25/359,694
6. Step 6: Final answer
   x = 1,479,396.73