Finding the Third Proportional to 18,988.59 and 29,478.09

Step by Step Solution

1. Step 1: Write the proportion equation
   18,988.59 : 29,478.09 = 29,478.09 : x
2. Step 2: Convert to fraction form
   18,988.59/29,478.09 = 29,478.09/x
3. Step 3: Cross multiply
   18,988.59x = 29,478.09 × 29,478.09
4. Step 4: Simplify right side
   18,988.59x = 868,958,011.13
5. Step 5: Solve for x
   x = 868,958,011.13/18,988.59
6. Step 6: Final answer
   x = 45,762.10