Finding the Third Proportional to 146,670.75 and 309,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,670.75 : 309,104.50 = 309,104.50 : x
2. Step 2: Convert to fraction form
   146,670.75/309,104.50 = 309,104.50/x
3. Step 3: Cross multiply
   146,670.75x = 309,104.50 × 309,104.50
4. Step 4: Simplify right side
   146,670.75x = 95,545,591,920.25
5. Step 5: Solve for x
   x = 95,545,591,920.25/146,670.75
6. Step 6: Final answer
   x = 651,429.08