Finding the Third Proportional to 5,479,308 and 8,726,350

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479,308 : 8,726,350 = 8,726,350 : x
2. Step 2: Convert to fraction form
   5,479,308/8,726,350 = 8,726,350/x
3. Step 3: Cross multiply
   5,479,308x = 8,726,350 × 8,726,350
4. Step 4: Simplify right side
   5,479,308x = 76,149,184,322,500
5. Step 5: Solve for x
   x = 76,149,184,322,500/5,479,308
6. Step 6: Final answer
   x = 13,897,591.51