Finding the Third Proportional to 5,375,672 and 8,323,518

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375,672 : 8,323,518 = 8,323,518 : x
2. Step 2: Convert to fraction form
   5,375,672/8,323,518 = 8,323,518/x
3. Step 3: Cross multiply
   5,375,672x = 8,323,518 × 8,323,518
4. Step 4: Simplify right side
   5,375,672x = 69,280,951,896,324
5. Step 5: Solve for x
   x = 69,280,951,896,324/5,375,672
6. Step 6: Final answer
   x = 12,887,868.14