Finding the Third Proportional to 72,408 and 101,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,408 : 101,155.50 = 101,155.50 : x
2. Step 2: Convert to fraction form
   72,408/101,155.50 = 101,155.50/x
3. Step 3: Cross multiply
   72,408x = 101,155.50 × 101,155.50
4. Step 4: Simplify right side
   72,408x = 10,232,435,180.25
5. Step 5: Solve for x
   x = 10,232,435,180.25/72,408
6. Step 6: Final answer
   x = 141,316.36