Finding the Third Proportional to 5,812,284 and 7,978,680

Step by Step Solution

1. Step 1: Write the proportion equation
   5,812,284 : 7,978,680 = 7,978,680 : x
2. Step 2: Convert to fraction form
   5,812,284/7,978,680 = 7,978,680/x
3. Step 3: Cross multiply
   5,812,284x = 7,978,680 × 7,978,680
4. Step 4: Simplify right side
   5,812,284x = 63,659,334,542,400
5. Step 5: Solve for x
   x = 63,659,334,542,400/5,812,284
6. Step 6: Final answer
   x = 10,952,550.59