Finding the Third Proportional to 5,479,292 and 8,726,322

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479,292 : 8,726,322 = 8,726,322 : x
2. Step 2: Convert to fraction form
   5,479,292/8,726,322 = 8,726,322/x
3. Step 3: Cross multiply
   5,479,292x = 8,726,322 × 8,726,322
4. Step 4: Simplify right side
   5,479,292x = 76,148,695,647,684
5. Step 5: Solve for x
   x = 76,148,695,647,684/5,479,292
6. Step 6: Final answer
   x = 13,897,542.90