Finding the Third Proportional to 18,351 and 42,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,351 : 42,259.50 = 42,259.50 : x
2. Step 2: Convert to fraction form
   18,351/42,259.50 = 42,259.50/x
3. Step 3: Cross multiply
   18,351x = 42,259.50 × 42,259.50
4. Step 4: Simplify right side
   18,351x = 1,785,865,340.25
5. Step 5: Solve for x
   x = 1,785,865,340.25/18,351
6. Step 6: Final answer
   x = 97,317.06