Finding the Third Proportional to 4,157,484 and 9,109,416

Step by Step Solution

1. Step 1: Write the proportion equation
   4,157,484 : 9,109,416 = 9,109,416 : x
2. Step 2: Convert to fraction form
   4,157,484/9,109,416 = 9,109,416/x
3. Step 3: Cross multiply
   4,157,484x = 9,109,416 × 9,109,416
4. Step 4: Simplify right side
   4,157,484x = 82,981,459,861,056
5. Step 5: Solve for x
   x = 82,981,459,861,056/4,157,484
6. Step 6: Final answer
   x = 19,959,537.99