Finding the Third Proportional to 5,218,642 and 7,348,995

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,642 : 7,348,995 = 7,348,995 : x
2. Step 2: Convert to fraction form
   5,218,642/7,348,995 = 7,348,995/x
3. Step 3: Cross multiply
   5,218,642x = 7,348,995 × 7,348,995
4. Step 4: Simplify right side
   5,218,642x = 54,007,727,510,025
5. Step 5: Solve for x
   x = 54,007,727,510,025/5,218,642
6. Step 6: Final answer
   x = 10,349,000.28