Finding the Third Proportional to 5,715,222 and 8,706,825

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,222 : 8,706,825 = 8,706,825 : x
2. Step 2: Convert to fraction form
   5,715,222/8,706,825 = 8,706,825/x
3. Step 3: Cross multiply
   5,715,222x = 8,706,825 × 8,706,825
4. Step 4: Simplify right side
   5,715,222x = 75,808,801,580,625
5. Step 5: Solve for x
   x = 75,808,801,580,625/5,715,222
6. Step 6: Final answer
   x = 13,264,366.91