Finding the Third Proportional to 1,268,516 and 1,739,478

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,516 : 1,739,478 = 1,739,478 : x
2. Step 2: Convert to fraction form
   1,268,516/1,739,478 = 1,739,478/x
3. Step 3: Cross multiply
   1,268,516x = 1,739,478 × 1,739,478
4. Step 4: Simplify right side
   1,268,516x = 3,025,783,712,484
5. Step 5: Solve for x
   x = 3,025,783,712,484/1,268,516
6. Step 6: Final answer
   x = 2,385,294.09