Finding the Third Proportional to 561,829.50 and 1,238,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   561,829.50 : 1,238,178.50 = 1,238,178.50 : x
2. Step 2: Convert to fraction form
   561,829.50/1,238,178.50 = 1,238,178.50/x
3. Step 3: Cross multiply
   561,829.50x = 1,238,178.50 × 1,238,178.50
4. Step 4: Simplify right side
   561,829.50x = 1,533,085,997,862.25
5. Step 5: Solve for x
   x = 1,533,085,997,862.25/561,829.50
6. Step 6: Final answer
   x = 2,728,738.88