Finding the Third Proportional to 342,309 and 732,108

Step by Step Solution

1. Step 1: Write the proportion equation
   342,309 : 732,108 = 732,108 : x
2. Step 2: Convert to fraction form
   342,309/732,108 = 732,108/x
3. Step 3: Cross multiply
   342,309x = 732,108 × 732,108
4. Step 4: Simplify right side
   342,309x = 535,982,123,664
5. Step 5: Solve for x
   x = 535,982,123,664/342,309
6. Step 6: Final answer
   x = 1,565,784.49