Finding the Third Proportional to 31,194 and 66,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,194 : 66,757.50 = 66,757.50 : x
2. Step 2: Convert to fraction form
   31,194/66,757.50 = 66,757.50/x
3. Step 3: Cross multiply
   31,194x = 66,757.50 × 66,757.50
4. Step 4: Simplify right side
   31,194x = 4,456,563,806.25
5. Step 5: Solve for x
   x = 4,456,563,806.25/31,194
6. Step 6: Final answer
   x = 142,866.06