Finding the Third Proportional to 3,929,344 and 8,684,552

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929,344 : 8,684,552 = 8,684,552 : x
2. Step 2: Convert to fraction form
   3,929,344/8,684,552 = 8,684,552/x
3. Step 3: Cross multiply
   3,929,344x = 8,684,552 × 8,684,552
4. Step 4: Simplify right side
   3,929,344x = 75,421,443,440,704
5. Step 5: Solve for x
   x = 75,421,443,440,704/3,929,344
6. Step 6: Final answer
   x = 19,194,410.93