Finding the Third Proportional to 866,915 and 1,881,555

Step by Step Solution

1. Step 1: Write the proportion equation
   866,915 : 1,881,555 = 1,881,555 : x
2. Step 2: Convert to fraction form
   866,915/1,881,555 = 1,881,555/x
3. Step 3: Cross multiply
   866,915x = 1,881,555 × 1,881,555
4. Step 4: Simplify right side
   866,915x = 3,540,249,218,025
5. Step 5: Solve for x
   x = 3,540,249,218,025/866,915
6. Step 6: Final answer
   x = 4,083,732.80