Finding the Third Proportional to 42,181.50 and 89,103

Step by Step Solution

1. Step 1: Write the proportion equation
   42,181.50 : 89,103 = 89,103 : x
2. Step 2: Convert to fraction form
   42,181.50/89,103 = 89,103/x
3. Step 3: Cross multiply
   42,181.50x = 89,103 × 89,103
4. Step 4: Simplify right side
   42,181.50x = 7,939,344,609
5. Step 5: Solve for x
   x = 7,939,344,609/42,181.50
6. Step 6: Final answer
   x = 188,218.64