Finding the Third Proportional to 70,045.50 and 149,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,045.50 : 149,932.50 = 149,932.50 : x
2. Step 2: Convert to fraction form
   70,045.50/149,932.50 = 149,932.50/x
3. Step 3: Cross multiply
   70,045.50x = 149,932.50 × 149,932.50
4. Step 4: Simplify right side
   70,045.50x = 22,479,754,556.25
5. Step 5: Solve for x
   x = 22,479,754,556.25/70,045.50
6. Step 6: Final answer
   x = 320,930.75