Finding the Third Proportional to 5,479,272 and 8,726,292

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479,272 : 8,726,292 = 8,726,292 : x
2. Step 2: Convert to fraction form
   5,479,272/8,726,292 = 8,726,292/x
3. Step 3: Cross multiply
   5,479,272x = 8,726,292 × 8,726,292
4. Step 4: Simplify right side
   5,479,272x = 76,148,172,069,264
5. Step 5: Solve for x
   x = 76,148,172,069,264/5,479,272
6. Step 6: Final answer
   x = 13,897,498.07