Finding the Third Proportional to 146,215.50 and 314,187

Step by Step Solution

1. Step 1: Write the proportion equation
   146,215.50 : 314,187 = 314,187 : x
2. Step 2: Convert to fraction form
   146,215.50/314,187 = 314,187/x
3. Step 3: Cross multiply
   146,215.50x = 314,187 × 314,187
4. Step 4: Simplify right side
   146,215.50x = 98,713,470,969
5. Step 5: Solve for x
   x = 98,713,470,969/146,215.50
6. Step 6: Final answer
   x = 675,123.16