Finding the Third Proportional to 5,425,584 and 8,393,406

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425,584 : 8,393,406 = 8,393,406 : x
2. Step 2: Convert to fraction form
   5,425,584/8,393,406 = 8,393,406/x
3. Step 3: Cross multiply
   5,425,584x = 8,393,406 × 8,393,406
4. Step 4: Simplify right side
   5,425,584x = 70,449,264,280,836
5. Step 5: Solve for x
   x = 70,449,264,280,836/5,425,584
6. Step 6: Final answer
   x = 12,984,641.71