Finding the Third Proportional to 865,234 and 1,157,371

Step by Step Solution

1. Step 1: Write the proportion equation
   865,234 : 1,157,371 = 1,157,371 : x
2. Step 2: Convert to fraction form
   865,234/1,157,371 = 1,157,371/x
3. Step 3: Cross multiply
   865,234x = 1,157,371 × 1,157,371
4. Step 4: Simplify right side
   865,234x = 1,339,507,631,641
5. Step 5: Solve for x
   x = 1,339,507,631,641/865,234
6. Step 6: Final answer
   x = 1,548,144.93