Finding the Third Proportional to 58,843.50 and 90,030

Step by Step Solution

1. Step 1: Write the proportion equation
   58,843.50 : 90,030 = 90,030 : x
2. Step 2: Convert to fraction form
   58,843.50/90,030 = 90,030/x
3. Step 3: Cross multiply
   58,843.50x = 90,030 × 90,030
4. Step 4: Simplify right side
   58,843.50x = 8,105,400,900
5. Step 5: Solve for x
   x = 8,105,400,900/58,843.50
6. Step 6: Final answer
   x = 137,745.05