Finding the Third Proportional to 857,111.50 and 1,843,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   857,111.50 : 1,843,215.50 = 1,843,215.50 : x
2. Step 2: Convert to fraction form
   857,111.50/1,843,215.50 = 1,843,215.50/x
3. Step 3: Cross multiply
   857,111.50x = 1,843,215.50 × 1,843,215.50
4. Step 4: Simplify right side
   857,111.50x = 3,397,443,379,440.25
5. Step 5: Solve for x
   x = 3,397,443,379,440.25/857,111.50
6. Step 6: Final answer
   x = 3,963,828.95