Finding the Third Proportional to 18,430.59 and 27,798.61

Step by Step Solution

1. Step 1: Write the proportion equation
   18,430.59 : 27,798.61 = 27,798.61 : x
2. Step 2: Convert to fraction form
   18,430.59/27,798.61 = 27,798.61/x
3. Step 3: Cross multiply
   18,430.59x = 27,798.61 × 27,798.61
4. Step 4: Simplify right side
   18,430.59x = 772,762,683.18
5. Step 5: Solve for x
   x = 772,762,683.18/18,430.59
6. Step 6: Final answer
   x = 41,928.26