Finding the Third Proportional to 5,812,272 and 7,978,662

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,272 : 7,978,662 = 7,978,662 : x
2. Step 2: Convert to fraction form
   5,812,272/7,978,662 = 7,978,662/x
3. Step 3: Cross multiply
   5,812,272x = 7,978,662 × 7,978,662
4. Step 4: Simplify right side
   5,812,272x = 63,659,047,310,244
5. Step 5: Solve for x
   x = 63,659,047,310,244/5,812,272
6. Step 6: Final answer
   x = 10,952,523.78