Finding the Third Proportional to 72,408.50 and 115,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,408.50 : 115,164.50 = 115,164.50 : x
2. Step 2: Convert to fraction form
   72,408.50/115,164.50 = 115,164.50/x
3. Step 3: Cross multiply
   72,408.50x = 115,164.50 × 115,164.50
4. Step 4: Simplify right side
   72,408.50x = 13,262,862,060.25
5. Step 5: Solve for x
   x = 13,262,862,060.25/72,408.50
6. Step 6: Final answer
   x = 183,167.20