Finding the Third Proportional to 3,548,123 and 5,559,555

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548,123 : 5,559,555 = 5,559,555 : x
2. Step 2: Convert to fraction form
   3,548,123/5,559,555 = 5,559,555/x
3. Step 3: Cross multiply
   3,548,123x = 5,559,555 × 5,559,555
4. Step 4: Simplify right side
   3,548,123x = 30,908,651,798,025
5. Step 5: Solve for x
   x = 30,908,651,798,025/3,548,123
6. Step 6: Final answer
   x = 8,711,268.41