Finding the Third Proportional to 146,250 and 316,487.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,250 : 316,487.25 = 316,487.25 : x
2. Step 2: Convert to fraction form
   146,250/316,487.25 = 316,487.25/x
3. Step 3: Cross multiply
   146,250x = 316,487.25 × 316,487.25
4. Step 4: Simplify right side
   146,250x = 100,164,179,412.56
5. Step 5: Solve for x
   x = 100,164,179,412.56/146,250
6. Step 6: Final answer
   x = 684,883.28