Finding the Third Proportional to 70,436.25 and 152,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,436.25 : 152,815.50 = 152,815.50 : x
2. Step 2: Convert to fraction form
   70,436.25/152,815.50 = 152,815.50/x
3. Step 3: Cross multiply
   70,436.25x = 152,815.50 × 152,815.50
4. Step 4: Simplify right side
   70,436.25x = 23,352,577,040.25
5. Step 5: Solve for x
   x = 23,352,577,040.25/70,436.25
6. Step 6: Final answer
   x = 331,542.03