Finding the Third Proportional to 5,499,241.50 and 8,319,642

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499,241.50 : 8,319,642 = 8,319,642 : x
2. Step 2: Convert to fraction form
   5,499,241.50/8,319,642 = 8,319,642/x
3. Step 3: Cross multiply
   5,499,241.50x = 8,319,642 × 8,319,642
4. Step 4: Simplify right side
   5,499,241.50x = 69,216,443,008,164
5. Step 5: Solve for x
   x = 69,216,443,008,164/5,499,241.50
6. Step 6: Final answer
   x = 12,586,543.62