Finding the Third Proportional to 38,155 and 58,120

Step by Step Solution

1. Step 1: Write the proportion equation
   38,155 : 58,120 = 58,120 : x
2. Step 2: Convert to fraction form
   38,155/58,120 = 58,120/x
3. Step 3: Cross multiply
   38,155x = 58,120 × 58,120
4. Step 4: Simplify right side
   38,155x = 3,377,934,400
5. Step 5: Solve for x
   x = 3,377,934,400/38,155
6. Step 6: Final answer
   x = 88,531.89