Finding the Third Proportional to 20,037.38 and 42,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,037.38 : 42,808.50 = 42,808.50 : x
2. Step 2: Convert to fraction form
   20,037.38/42,808.50 = 42,808.50/x
3. Step 3: Cross multiply
   20,037.38x = 42,808.50 × 42,808.50
4. Step 4: Simplify right side
   20,037.38x = 1,832,567,672.25
5. Step 5: Solve for x
   x = 1,832,567,672.25/20,037.38
6. Step 6: Final answer
   x = 91,457.47