Finding the Third Proportional to 5,189,808 and 8,264,396

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,808 : 8,264,396 = 8,264,396 : x
2. Step 2: Convert to fraction form
   5,189,808/8,264,396 = 8,264,396/x
3. Step 3: Cross multiply
   5,189,808x = 8,264,396 × 8,264,396
4. Step 4: Simplify right side
   5,189,808x = 68,300,241,244,816
5. Step 5: Solve for x
   x = 68,300,241,244,816/5,189,808
6. Step 6: Final answer
   x = 13,160,456.27