Finding the Third Proportional to 38,090 and 89,015

Step by Step Solution

1. Step 1: Write the proportion equation
   38,090 : 89,015 = 89,015 : x
2. Step 2: Convert to fraction form
   38,090/89,015 = 89,015/x
3. Step 3: Cross multiply
   38,090x = 89,015 × 89,015
4. Step 4: Simplify right side
   38,090x = 7,923,670,225
5. Step 5: Solve for x
   x = 7,923,670,225/38,090
6. Step 6: Final answer
   x = 208,024.95