Finding the Third Proportional to 421,851.75 and 928,116

Step by Step Solution

1. Step 1: Write the proportion equation
   421,851.75 : 928,116 = 928,116 : x
2. Step 2: Convert to fraction form
   421,851.75/928,116 = 928,116/x
3. Step 3: Cross multiply
   421,851.75x = 928,116 × 928,116
4. Step 4: Simplify right side
   421,851.75x = 861,399,309,456
5. Step 5: Solve for x
   x = 861,399,309,456/421,851.75
6. Step 6: Final answer
   x = 2,041,947.93