Finding the Third Proportional to 420,574.50 and 925,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   420,574.50 : 925,258.50 = 925,258.50 : x
2. Step 2: Convert to fraction form
   420,574.50/925,258.50 = 925,258.50/x
3. Step 3: Cross multiply
   420,574.50x = 925,258.50 × 925,258.50
4. Step 4: Simplify right side
   420,574.50x = 856,103,291,822.25
5. Step 5: Solve for x
   x = 856,103,291,822.25/420,574.50
6. Step 6: Final answer
   x = 2,035,556.82