Finding the Third Proportional to 38,328 and 58,890

Step by Step Solution

1. Step 1: Write the proportion equation
   38,328 : 58,890 = 58,890 : x
2. Step 2: Convert to fraction form
   38,328/58,890 = 58,890/x
3. Step 3: Cross multiply
   38,328x = 58,890 × 58,890
4. Step 4: Simplify right side
   38,328x = 3,468,032,100
5. Step 5: Solve for x
   x = 3,468,032,100/38,328
6. Step 6: Final answer
   x = 90,482.99