Finding the Third Proportional to 817,354.50 and 1,122,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   817,354.50 : 1,122,004.50 = 1,122,004.50 : x
2. Step 2: Convert to fraction form
   817,354.50/1,122,004.50 = 1,122,004.50/x
3. Step 3: Cross multiply
   817,354.50x = 1,122,004.50 × 1,122,004.50
4. Step 4: Simplify right side
   817,354.50x = 1,258,894,098,020.25
5. Step 5: Solve for x
   x = 1,258,894,098,020.25/817,354.50
6. Step 6: Final answer
   x = 1,540,205.75