Finding the Third Proportional to 3,948,032 and 8,572,560

Step by Step Solution

1. Step 1: Write the proportion equation
   3,948,032 : 8,572,560 = 8,572,560 : x
2. Step 2: Convert to fraction form
   3,948,032/8,572,560 = 8,572,560/x
3. Step 3: Cross multiply
   3,948,032x = 8,572,560 × 8,572,560
4. Step 4: Simplify right side
   3,948,032x = 73,488,784,953,600
5. Step 5: Solve for x
   x = 73,488,784,953,600/3,948,032
6. Step 6: Final answer
   x = 18,614,029.71