Finding the Third Proportional to 5,321,341 and 8,221,382

Step by Step Solution

1. Step 1: Write the proportion equation
   5,321,341 : 8,221,382 = 8,221,382 : x
2. Step 2: Convert to fraction form
   5,321,341/8,221,382 = 8,221,382/x
3. Step 3: Cross multiply
   5,321,341x = 8,221,382 × 8,221,382
4. Step 4: Simplify right side
   5,321,341x = 67,591,121,989,924
5. Step 5: Solve for x
   x = 67,591,121,989,924/5,321,341
6. Step 6: Final answer
   x = 12,701,896.38