Finding the Third Proportional to 18,135.50 and 37,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,135.50 : 37,911.50 = 37,911.50 : x
2. Step 2: Convert to fraction form
   18,135.50/37,911.50 = 37,911.50/x
3. Step 3: Cross multiply
   18,135.50x = 37,911.50 × 37,911.50
4. Step 4: Simplify right side
   18,135.50x = 1,437,281,832.25
5. Step 5: Solve for x
   x = 1,437,281,832.25/18,135.50
6. Step 6: Final answer
   x = 79,252.40