Finding the Third Proportional to 45,813 and 68,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,813 : 68,863.50 = 68,863.50 : x
2. Step 2: Convert to fraction form
   45,813/68,863.50 = 68,863.50/x
3. Step 3: Cross multiply
   45,813x = 68,863.50 × 68,863.50
4. Step 4: Simplify right side
   45,813x = 4,742,181,632.25
5. Step 5: Solve for x
   x = 4,742,181,632.25/45,813
6. Step 6: Final answer
   x = 103,511.70