Finding the Third Proportional to 71,454 and 105,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,454 : 105,040.50 = 105,040.50 : x
2. Step 2: Convert to fraction form
   71,454/105,040.50 = 105,040.50/x
3. Step 3: Cross multiply
   71,454x = 105,040.50 × 105,040.50
4. Step 4: Simplify right side
   71,454x = 11,033,506,640.25
5. Step 5: Solve for x
   x = 11,033,506,640.25/71,454
6. Step 6: Final answer
   x = 154,414.12