Finding the Third Proportional to 3,870,451 and 5,413,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,451 : 5,413,471.50 = 5,413,471.50 : x
2. Step 2: Convert to fraction form
   3,870,451/5,413,471.50 = 5,413,471.50/x
3. Step 3: Cross multiply
   3,870,451x = 5,413,471.50 × 5,413,471.50
4. Step 4: Simplify right side
   3,870,451x = 29,305,673,681,312.25
5. Step 5: Solve for x
   x = 29,305,673,681,312.25/3,870,451
6. Step 6: Final answer
   x = 7,571,643.12