Finding the Third Proportional to 559,270.50 and 874,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   559,270.50 : 874,892.50 = 874,892.50 : x
2. Step 2: Convert to fraction form
   559,270.50/874,892.50 = 874,892.50/x
3. Step 3: Cross multiply
   559,270.50x = 874,892.50 × 874,892.50
4. Step 4: Simplify right side
   559,270.50x = 765,436,886,556.25
5. Step 5: Solve for x
   x = 765,436,886,556.25/559,270.50
6. Step 6: Final answer
   x = 1,368,634.47