Finding the Third Proportional to 3,417,220 and 7,516,564

Step by Step Solution

1. Step 1: Write the proportion equation
   3,417,220 : 7,516,564 = 7,516,564 : x
2. Step 2: Convert to fraction form
   3,417,220/7,516,564 = 7,516,564/x
3. Step 3: Cross multiply
   3,417,220x = 7,516,564 × 7,516,564
4. Step 4: Simplify right side
   3,417,220x = 56,498,734,366,096
5. Step 5: Solve for x
   x = 56,498,734,366,096/3,417,220
6. Step 6: Final answer
   x = 16,533,537.31