Finding the Third Proportional to 559,273.50 and 838,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   559,273.50 : 838,970.50 = 838,970.50 : x
2. Step 2: Convert to fraction form
   559,273.50/838,970.50 = 838,970.50/x
3. Step 3: Cross multiply
   559,273.50x = 838,970.50 × 838,970.50
4. Step 4: Simplify right side
   559,273.50x = 703,871,499,870.25
5. Step 5: Solve for x
   x = 703,871,499,870.25/559,273.50
6. Step 6: Final answer
   x = 1,258,546.13