Finding the Third Proportional to 73,672.50 and 113,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,672.50 : 113,305.50 = 113,305.50 : x
2. Step 2: Convert to fraction form
   73,672.50/113,305.50 = 113,305.50/x
3. Step 3: Cross multiply
   73,672.50x = 113,305.50 × 113,305.50
4. Step 4: Simplify right side
   73,672.50x = 12,838,136,330.25
5. Step 5: Solve for x
   x = 12,838,136,330.25/73,672.50
6. Step 6: Final answer
   x = 174,259.55