Finding the Third Proportional to 868,481 and 1,913,658

Step by Step Solution

1. Step 1: Write the proportion equation
   868,481 : 1,913,658 = 1,913,658 : x
2. Step 2: Convert to fraction form
   868,481/1,913,658 = 1,913,658/x
3. Step 3: Cross multiply
   868,481x = 1,913,658 × 1,913,658
4. Step 4: Simplify right side
   868,481x = 3,662,086,940,964
5. Step 5: Solve for x
   x = 3,662,086,940,964/868,481
6. Step 6: Final answer
   x = 4,216,657.52