Finding the Third Proportional to 72,174 and 103,963.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,174 : 103,963.50 = 103,963.50 : x
2. Step 2: Convert to fraction form
   72,174/103,963.50 = 103,963.50/x
3. Step 3: Cross multiply
   72,174x = 103,963.50 × 103,963.50
4. Step 4: Simplify right side
   72,174x = 10,808,409,332.25
5. Step 5: Solve for x
   x = 10,808,409,332.25/72,174
6. Step 6: Final answer
   x = 149,754.89