Finding the Third Proportional to 861,681 and 1,840,650

Step by Step Solution

1. Step 1: Write the proportion equation
   861,681 : 1,840,650 = 1,840,650 : x
2. Step 2: Convert to fraction form
   861,681/1,840,650 = 1,840,650/x
3. Step 3: Cross multiply
   861,681x = 1,840,650 × 1,840,650
4. Step 4: Simplify right side
   861,681x = 3,387,992,422,500
5. Step 5: Solve for x
   x = 3,387,992,422,500/861,681
6. Step 6: Final answer
   x = 3,931,840.70