Finding the Third Proportional to 868,493 and 1,913,675

Step by Step Solution

1. Step 1: Write the proportion equation
   868,493 : 1,913,675 = 1,913,675 : x
2. Step 2: Convert to fraction form
   868,493/1,913,675 = 1,913,675/x
3. Step 3: Cross multiply
   868,493x = 1,913,675 × 1,913,675
4. Step 4: Simplify right side
   868,493x = 3,662,152,005,625
5. Step 5: Solve for x
   x = 3,662,152,005,625/868,493
6. Step 6: Final answer
   x = 4,216,674.18