Finding the Third Proportional to 31,940.50 and 74,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,940.50 : 74,603.50 = 74,603.50 : x
2. Step 2: Convert to fraction form
   31,940.50/74,603.50 = 74,603.50/x
3. Step 3: Cross multiply
   31,940.50x = 74,603.50 × 74,603.50
4. Step 4: Simplify right side
   31,940.50x = 5,565,682,212.25
5. Step 5: Solve for x
   x = 5,565,682,212.25/31,940.50
6. Step 6: Final answer
   x = 174,251.57