Finding the Third Proportional to 2,991,080 and 4,490,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,080 : 4,490,412 = 4,490,412 : x
2. Step 2: Convert to fraction form
   2,991,080/4,490,412 = 4,490,412/x
3. Step 3: Cross multiply
   2,991,080x = 4,490,412 × 4,490,412
4. Step 4: Simplify right side
   2,991,080x = 20,163,799,929,744
5. Step 5: Solve for x
   x = 20,163,799,929,744/2,991,080
6. Step 6: Final answer
   x = 6,741,310.81