Finding the Third Proportional to 42,265.13 and 65,817.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,265.13 : 65,817.56 = 65,817.56 : x
2. Step 2: Convert to fraction form
   42,265.13/65,817.56 = 65,817.56/x
3. Step 3: Cross multiply
   42,265.13x = 65,817.56 × 65,817.56
4. Step 4: Simplify right side
   42,265.13x = 4,331,951,533.44
5. Step 5: Solve for x
   x = 4,331,951,533.44/42,265.13
6. Step 6: Final answer
   x = 102,494.71