Finding the Third Proportional to 5,911,482 and 8,909,505

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911,482 : 8,909,505 = 8,909,505 : x
2. Step 2: Convert to fraction form
   5,911,482/8,909,505 = 8,909,505/x
3. Step 3: Cross multiply
   5,911,482x = 8,909,505 × 8,909,505
4. Step 4: Simplify right side
   5,911,482x = 79,379,279,345,025
5. Step 5: Solve for x
   x = 79,379,279,345,025/5,911,482
6. Step 6: Final answer
   x = 13,427,982.92