Finding the Third Proportional to 42,408.56 and 88,305.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408.56 : 88,305.75 = 88,305.75 : x
2. Step 2: Convert to fraction form
   42,408.56/88,305.75 = 88,305.75/x
3. Step 3: Cross multiply
   42,408.56x = 88,305.75 × 88,305.75
4. Step 4: Simplify right side
   42,408.56x = 7,797,905,483.06
5. Step 5: Solve for x
   x = 7,797,905,483.06/42,408.56
6. Step 6: Final answer
   x = 183,875.73