Finding the Third Proportional to 20,102.67 and 42,877.16

Step by Step Solution

1. Step 1: Write the proportion equation
   20,102.67 : 42,877.16 = 42,877.16 : x
2. Step 2: Convert to fraction form
   20,102.67/42,877.16 = 42,877.16/x
3. Step 3: Cross multiply
   20,102.67x = 42,877.16 × 42,877.16
4. Step 4: Simplify right side
   20,102.67x = 1,838,450,863.06
5. Step 5: Solve for x
   x = 1,838,450,863.06/20,102.67
6. Step 6: Final answer
   x = 91,453.05