Finding the Third Proportional to 20,347.03 and 42,253.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,347.03 : 42,253.31 = 42,253.31 : x
2. Step 2: Convert to fraction form
   20,347.03/42,253.31 = 42,253.31/x
3. Step 3: Cross multiply
   20,347.03x = 42,253.31 × 42,253.31
4. Step 4: Simplify right side
   20,347.03x = 1,785,342,417.22
5. Step 5: Solve for x
   x = 1,785,342,417.22/20,347.03
6. Step 6: Final answer
   x = 87,744.61