Finding the Third Proportional to 50,820 and 74,385

Step by Step Solution

1. Step 1: Write the proportion equation
   50,820 : 74,385 = 74,385 : x
2. Step 2: Convert to fraction form
   50,820/74,385 = 74,385/x
3. Step 3: Cross multiply
   50,820x = 74,385 × 74,385
4. Step 4: Simplify right side
   50,820x = 5,533,128,225
5. Step 5: Solve for x
   x = 5,533,128,225/50,820
6. Step 6: Final answer
   x = 108,876.98