Finding the Third Proportional to 1,281,432 and 2,818,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,432 : 2,818,664 = 2,818,664 : x
2. Step 2: Convert to fraction form
   1,281,432/2,818,664 = 2,818,664/x
3. Step 3: Cross multiply
   1,281,432x = 2,818,664 × 2,818,664
4. Step 4: Simplify right side
   1,281,432x = 7,944,866,744,896
5. Step 5: Solve for x
   x = 7,944,866,744,896/1,281,432
6. Step 6: Final answer
   x = 6,199,990.90