Finding the Third Proportional to 3,457,612 and 5,074,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457,612 : 5,074,312 = 5,074,312 : x
2. Step 2: Convert to fraction form
   3,457,612/5,074,312 = 5,074,312/x
3. Step 3: Cross multiply
   3,457,612x = 5,074,312 × 5,074,312
4. Step 4: Simplify right side
   3,457,612x = 25,748,642,273,344
5. Step 5: Solve for x
   x = 25,748,642,273,344/3,457,612
6. Step 6: Final answer
   x = 7,446,943.81