Finding the Third Proportional to 504,174 and 781,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   504,174 : 781,048.50 = 781,048.50 : x
2. Step 2: Convert to fraction form
   504,174/781,048.50 = 781,048.50/x
3. Step 3: Cross multiply
   504,174x = 781,048.50 × 781,048.50
4. Step 4: Simplify right side
   504,174x = 610,036,759,352.25
5. Step 5: Solve for x
   x = 610,036,759,352.25/504,174
6. Step 6: Final answer
   x = 1,209,972.67