Finding the Third Proportional to 146,517.75 and 300,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,517.75 : 300,802.50 = 300,802.50 : x
2. Step 2: Convert to fraction form
   146,517.75/300,802.50 = 300,802.50/x
3. Step 3: Cross multiply
   146,517.75x = 300,802.50 × 300,802.50
4. Step 4: Simplify right side
   146,517.75x = 90,482,144,006.25
5. Step 5: Solve for x
   x = 90,482,144,006.25/146,517.75
6. Step 6: Final answer
   x = 617,550.73