Finding the Third Proportional to 42,065.58 and 89,325.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,065.58 : 89,325.28 = 89,325.28 : x
2. Step 2: Convert to fraction form
   42,065.58/89,325.28 = 89,325.28/x
3. Step 3: Cross multiply
   42,065.58x = 89,325.28 × 89,325.28
4. Step 4: Simplify right side
   42,065.58x = 7,979,005,870.39
5. Step 5: Solve for x
   x = 7,979,005,870.39/42,065.58
6. Step 6: Final answer
   x = 189,680.17