Finding the Third Proportional to 830,403 and 1,355,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   830,403 : 1,355,959.50 = 1,355,959.50 : x
2. Step 2: Convert to fraction form
   830,403/1,355,959.50 = 1,355,959.50/x
3. Step 3: Cross multiply
   830,403x = 1,355,959.50 × 1,355,959.50
4. Step 4: Simplify right side
   830,403x = 1,838,626,165,640.25
5. Step 5: Solve for x
   x = 1,838,626,165,640.25/830,403
6. Step 6: Final answer
   x = 2,214,137.19