Finding the Third Proportional to 863,776.50 and 2,017,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   863,776.50 : 2,017,894.50 = 2,017,894.50 : x
2. Step 2: Convert to fraction form
   863,776.50/2,017,894.50 = 2,017,894.50/x
3. Step 3: Cross multiply
   863,776.50x = 2,017,894.50 × 2,017,894.50
4. Step 4: Simplify right side
   863,776.50x = 4,071,898,213,130.25
5. Step 5: Solve for x
   x = 4,071,898,213,130.25/863,776.50
6. Step 6: Final answer
   x = 4,714,064.59