Finding the Third Proportional to 70,780.50 and 152,631

Step by Step Solution

1. Step 1: Write the proportion equation
   70,780.50 : 152,631 = 152,631 : x
2. Step 2: Convert to fraction form
   70,780.50/152,631 = 152,631/x
3. Step 3: Cross multiply
   70,780.50x = 152,631 × 152,631
4. Step 4: Simplify right side
   70,780.50x = 23,296,222,161
5. Step 5: Solve for x
   x = 23,296,222,161/70,780.50
6. Step 6: Final answer
   x = 329,133.34