Finding the Third Proportional to 18,807.75 and 40,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,807.75 : 40,063.50 = 40,063.50 : x
2. Step 2: Convert to fraction form
   18,807.75/40,063.50 = 40,063.50/x
3. Step 3: Cross multiply
   18,807.75x = 40,063.50 × 40,063.50
4. Step 4: Simplify right side
   18,807.75x = 1,605,084,032.25
5. Step 5: Solve for x
   x = 1,605,084,032.25/18,807.75
6. Step 6: Final answer
   x = 85,341.63