Finding the Third Proportional to 5,279,382 and 8,234,577

Step by Step Solution

1. Step 1: Write the proportion equation
   5,279,382 : 8,234,577 = 8,234,577 : x
2. Step 2: Convert to fraction form
   5,279,382/8,234,577 = 8,234,577/x
3. Step 3: Cross multiply
   5,279,382x = 8,234,577 × 8,234,577
4. Step 4: Simplify right side
   5,279,382x = 67,808,258,368,929
5. Step 5: Solve for x
   x = 67,808,258,368,929/5,279,382
6. Step 6: Final answer
   x = 12,843,976.51