Finding the Third Proportional to 5,812,292 and 7,978,686

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,292 : 7,978,686 = 7,978,686 : x
2. Step 2: Convert to fraction form
   5,812,292/7,978,686 = 7,978,686/x
3. Step 3: Cross multiply
   5,812,292x = 7,978,686 × 7,978,686
4. Step 4: Simplify right side
   5,812,292x = 63,659,430,286,596
5. Step 5: Solve for x
   x = 63,659,430,286,596/5,812,292
6. Step 6: Final answer
   x = 10,952,551.99