Finding the Third Proportional to 146,499.75 and 310,986

Step by Step Solution

1. Step 1: Write the proportion equation
   146,499.75 : 310,986 = 310,986 : x
2. Step 2: Convert to fraction form
   146,499.75/310,986 = 310,986/x
3. Step 3: Cross multiply
   146,499.75x = 310,986 × 310,986
4. Step 4: Simplify right side
   146,499.75x = 96,712,292,196
5. Step 5: Solve for x
   x = 96,712,292,196/146,499.75
6. Step 6: Final answer
   x = 660,153.29