Finding the Third Proportional to 863,356 and 2,016,510

Step by Step Solution

1. Step 1: Write the proportion equation
   863,356 : 2,016,510 = 2,016,510 : x
2. Step 2: Convert to fraction form
   863,356/2,016,510 = 2,016,510/x
3. Step 3: Cross multiply
   863,356x = 2,016,510 × 2,016,510
4. Step 4: Simplify right side
   863,356x = 4,066,312,580,100
5. Step 5: Solve for x
   x = 4,066,312,580,100/863,356
6. Step 6: Final answer
   x = 4,709,890.91