Finding the Third Proportional to 146,117.25 and 314,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,117.25 : 314,806.50 = 314,806.50 : x
2. Step 2: Convert to fraction form
   146,117.25/314,806.50 = 314,806.50/x
3. Step 3: Cross multiply
   146,117.25x = 314,806.50 × 314,806.50
4. Step 4: Simplify right side
   146,117.25x = 99,103,132,442.25
5. Step 5: Solve for x
   x = 99,103,132,442.25/146,117.25
6. Step 6: Final answer
   x = 678,243.89