Finding the Third Proportional to 866,171.50 and 1,827,131

Step by Step Solution

1. Step 1: Write the proportion equation
   866,171.50 : 1,827,131 = 1,827,131 : x
2. Step 2: Convert to fraction form
   866,171.50/1,827,131 = 1,827,131/x
3. Step 3: Cross multiply
   866,171.50x = 1,827,131 × 1,827,131
4. Step 4: Simplify right side
   866,171.50x = 3,338,407,691,161
5. Step 5: Solve for x
   x = 3,338,407,691,161/866,171.50
6. Step 6: Final answer
   x = 3,854,210.96