Finding the Third Proportional to 18,374.91 and 40,252.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,374.91 : 40,252.50 = 40,252.50 : x
2. Step 2: Convert to fraction form
   18,374.91/40,252.50 = 40,252.50/x
3. Step 3: Cross multiply
   18,374.91x = 40,252.50 × 40,252.50
4. Step 4: Simplify right side
   18,374.91x = 1,620,263,756.25
5. Step 5: Solve for x
   x = 1,620,263,756.25/18,374.91
6. Step 6: Final answer
   x = 88,178.07