Finding the Third Proportional to 3,493,872 and 7,407,630

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,872 : 7,407,630 = 7,407,630 : x
2. Step 2: Convert to fraction form
   3,493,872/7,407,630 = 7,407,630/x
3. Step 3: Cross multiply
   3,493,872x = 7,407,630 × 7,407,630
4. Step 4: Simplify right side
   3,493,872x = 54,872,982,216,900
5. Step 5: Solve for x
   x = 54,872,982,216,900/3,493,872
6. Step 6: Final answer
   x = 15,705,492.99