Finding the Third Proportional to 3,276,860 and 5,087,820

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,860 : 5,087,820 = 5,087,820 : x
2. Step 2: Convert to fraction form
   3,276,860/5,087,820 = 5,087,820/x
3. Step 3: Cross multiply
   3,276,860x = 5,087,820 × 5,087,820
4. Step 4: Simplify right side
   3,276,860x = 25,885,912,352,400
5. Step 5: Solve for x
   x = 25,885,912,352,400/3,276,860
6. Step 6: Final answer
   x = 7,899,608.88