Finding the Third Proportional to 72,485 and 110,880.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,485 : 110,880.50 = 110,880.50 : x
2. Step 2: Convert to fraction form
   72,485/110,880.50 = 110,880.50/x
3. Step 3: Cross multiply
   72,485x = 110,880.50 × 110,880.50
4. Step 4: Simplify right side
   72,485x = 12,294,485,280.25
5. Step 5: Solve for x
   x = 12,294,485,280.25/72,485
6. Step 6: Final answer
   x = 169,614.20