Finding the Third Proportional to 342,690 and 737,892

Step by Step Solution

1. Step 1: Write the proportion equation
   342,690 : 737,892 = 737,892 : x
2. Step 2: Convert to fraction form
   342,690/737,892 = 737,892/x
3. Step 3: Cross multiply
   342,690x = 737,892 × 737,892
4. Step 4: Simplify right side
   342,690x = 544,484,603,664
5. Step 5: Solve for x
   x = 544,484,603,664/342,690
6. Step 6: Final answer
   x = 1,588,854.66