Finding the Third Proportional to 800,142 and 1,737,657

Step by Step Solution

1. Step 1: Write the proportion equation
   800,142 : 1,737,657 = 1,737,657 : x
2. Step 2: Convert to fraction form
   800,142/1,737,657 = 1,737,657/x
3. Step 3: Cross multiply
   800,142x = 1,737,657 × 1,737,657
4. Step 4: Simplify right side
   800,142x = 3,019,451,849,649
5. Step 5: Solve for x
   x = 3,019,451,849,649/800,142
6. Step 6: Final answer
   x = 3,773,644.99