Finding the Third Proportional to 5,218,632 and 7,348,968

Step by Step Solution

1. Step 1: Write the proportion equation
   5,218,632 : 7,348,968 = 7,348,968 : x
2. Step 2: Convert to fraction form
   5,218,632/7,348,968 = 7,348,968/x
3. Step 3: Cross multiply
   5,218,632x = 7,348,968 × 7,348,968
4. Step 4: Simplify right side
   5,218,632x = 54,007,330,665,024
5. Step 5: Solve for x
   x = 54,007,330,665,024/5,218,632
6. Step 6: Final answer
   x = 10,348,944.07