Finding the Third Proportional to 45,823.50 and 68,856.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,823.50 : 68,856.75 = 68,856.75 : x
2. Step 2: Convert to fraction form
   45,823.50/68,856.75 = 68,856.75/x
3. Step 3: Cross multiply
   45,823.50x = 68,856.75 × 68,856.75
4. Step 4: Simplify right side
   45,823.50x = 4,741,252,020.56
5. Step 5: Solve for x
   x = 4,741,252,020.56/45,823.50
6. Step 6: Final answer
   x = 103,467.70