Finding the Third Proportional to 1,290,852 and 2,799,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,852 : 2,799,432 = 2,799,432 : x
2. Step 2: Convert to fraction form
   1,290,852/2,799,432 = 2,799,432/x
3. Step 3: Cross multiply
   1,290,852x = 2,799,432 × 2,799,432
4. Step 4: Simplify right side
   1,290,852x = 7,836,819,522,624
5. Step 5: Solve for x
   x = 7,836,819,522,624/1,290,852
6. Step 6: Final answer
   x = 6,071,044.18