Finding the Third Proportional to 531,909 and 1,152,432

Step by Step Solution

1. Step 1: Write the proportion equation
   531,909 : 1,152,432 = 1,152,432 : x
2. Step 2: Convert to fraction form
   531,909/1,152,432 = 1,152,432/x
3. Step 3: Cross multiply
   531,909x = 1,152,432 × 1,152,432
4. Step 4: Simplify right side
   531,909x = 1,328,099,514,624
5. Step 5: Solve for x
   x = 1,328,099,514,624/531,909
6. Step 6: Final answer
   x = 2,496,854.75