Finding the Third Proportional to 1,315,860 and 1,983,510

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,860 : 1,983,510 = 1,983,510 : x
2. Step 2: Convert to fraction form
   1,315,860/1,983,510 = 1,983,510/x
3. Step 3: Cross multiply
   1,315,860x = 1,983,510 × 1,983,510
4. Step 4: Simplify right side
   1,315,860x = 3,934,311,920,100
5. Step 5: Solve for x
   x = 3,934,311,920,100/1,315,860
6. Step 6: Final answer
   x = 2,989,916.80