Finding the Third Proportional to 70,618.50 and 151,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,618.50 : 151,456.50 = 151,456.50 : x
2. Step 2: Convert to fraction form
   70,618.50/151,456.50 = 151,456.50/x
3. Step 3: Cross multiply
   70,618.50x = 151,456.50 × 151,456.50
4. Step 4: Simplify right side
   70,618.50x = 22,939,071,392.25
5. Step 5: Solve for x
   x = 22,939,071,392.25/70,618.50
6. Step 6: Final answer
   x = 324,830.91