Finding the Third Proportional to 371,258.25 and 579,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,258.25 : 579,061.50 = 579,061.50 : x
2. Step 2: Convert to fraction form
   371,258.25/579,061.50 = 579,061.50/x
3. Step 3: Cross multiply
   371,258.25x = 579,061.50 × 579,061.50
4. Step 4: Simplify right side
   371,258.25x = 335,312,220,782.25
5. Step 5: Solve for x
   x = 335,312,220,782.25/371,258.25
6. Step 6: Final answer
   x = 903,177.83