Finding the Third Proportional to 38,979,468 and 54,494,064

Step by Step Solution

1. Step 1: Write the proportion equation
   38,979,468 : 54,494,064 = 54,494,064 : x
2. Step 2: Convert to fraction form
   38,979,468/54,494,064 = 54,494,064/x
3. Step 3: Cross multiply
   38,979,468x = 54,494,064 × 54,494,064
4. Step 4: Simplify right side
   38,979,468x = 2,969,603,011,236,096
5. Step 5: Solve for x
   x = 2,969,603,011,236,096/38,979,468
6. Step 6: Final answer
   x = 76,183,774.78