Finding the Third Proportional to 5,402,076 and 8,240,277

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,076 : 8,240,277 = 8,240,277 : x
2. Step 2: Convert to fraction form
   5,402,076/8,240,277 = 8,240,277/x
3. Step 3: Cross multiply
   5,402,076x = 8,240,277 × 8,240,277
4. Step 4: Simplify right side
   5,402,076x = 67,902,165,036,729
5. Step 5: Solve for x
   x = 67,902,165,036,729/5,402,076
6. Step 6: Final answer
   x = 12,569,642.68