Finding the Third Proportional to 837,085.50 and 1,816,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   837,085.50 : 1,816,873.50 = 1,816,873.50 : x
2. Step 2: Convert to fraction form
   837,085.50/1,816,873.50 = 1,816,873.50/x
3. Step 3: Cross multiply
   837,085.50x = 1,816,873.50 × 1,816,873.50
4. Step 4: Simplify right side
   837,085.50x = 3,301,029,315,002.25
5. Step 5: Solve for x
   x = 3,301,029,315,002.25/837,085.50
6. Step 6: Final answer
   x = 3,943,479.27