Finding the Third Proportional to 868,502 and 1,913,698

Step by Step Solution

1. Step 1: Write the proportion equation
   868,502 : 1,913,698 = 1,913,698 : x
2. Step 2: Convert to fraction form
   868,502/1,913,698 = 1,913,698/x
3. Step 3: Cross multiply
   868,502x = 1,913,698 × 1,913,698
4. Step 4: Simplify right side
   868,502x = 3,662,240,035,204
5. Step 5: Solve for x
   x = 3,662,240,035,204/868,502
6. Step 6: Final answer
   x = 4,216,731.84