Finding the Third Proportional to 5,607,028 and 8,521,356

Step by Step Solution

1. Step 1: Write the proportion equation
   5,607,028 : 8,521,356 = 8,521,356 : x
2. Step 2: Convert to fraction form
   5,607,028/8,521,356 = 8,521,356/x
3. Step 3: Cross multiply
   5,607,028x = 8,521,356 × 8,521,356
4. Step 4: Simplify right side
   5,607,028x = 72,613,508,078,736
5. Step 5: Solve for x
   x = 72,613,508,078,736/5,607,028
6. Step 6: Final answer
   x = 12,950,445.06