Finding the Third Proportional to 20,371.50 and 42,368.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,371.50 : 42,368.06 = 42,368.06 : x
2. Step 2: Convert to fraction form
   20,371.50/42,368.06 = 42,368.06/x
3. Step 3: Cross multiply
   20,371.50x = 42,368.06 × 42,368.06
4. Step 4: Simplify right side
   20,371.50x = 1,795,052,720.00
5. Step 5: Solve for x
   x = 1,795,052,720.00/20,371.50
6. Step 6: Final answer
   x = 88,115.88