Finding the Third Proportional to 45,672.50 and 68,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,672.50 : 68,322.50 = 68,322.50 : x
2. Step 2: Convert to fraction form
   45,672.50/68,322.50 = 68,322.50/x
3. Step 3: Cross multiply
   45,672.50x = 68,322.50 × 68,322.50
4. Step 4: Simplify right side
   45,672.50x = 4,667,964,006.25
5. Step 5: Solve for x
   x = 4,667,964,006.25/45,672.50
6. Step 6: Final answer
   x = 102,205.13