Finding the Third Proportional to 412,111.25 and 868,502.50

Step by Step Solution

1. Step 1: Write the proportion equation
   412,111.25 : 868,502.50 = 868,502.50 : x
2. Step 2: Convert to fraction form
   412,111.25/868,502.50 = 868,502.50/x
3. Step 3: Cross multiply
   412,111.25x = 868,502.50 × 868,502.50
4. Step 4: Simplify right side
   412,111.25x = 754,296,592,506.25
5. Step 5: Solve for x
   x = 754,296,592,506.25/412,111.25
6. Step 6: Final answer
   x = 1,830,322.74