Finding the Third Proportional to 18,350.30 and 42,697.76

Step by Step Solution

1. Step 1: Write the proportion equation
   18,350.30 : 42,697.76 = 42,697.76 : x
2. Step 2: Convert to fraction form
   18,350.30/42,697.76 = 42,697.76/x
3. Step 3: Cross multiply
   18,350.30x = 42,697.76 × 42,697.76
4. Step 4: Simplify right side
   18,350.30x = 1,823,098,522.21
5. Step 5: Solve for x
   x = 1,823,098,522.21/18,350.30
6. Step 6: Final answer
   x = 99,349.81