Finding the Third Proportional to 100,874.50 and 148,391

Step by Step Solution

1. Step 1: Write the proportion equation
   100,874.50 : 148,391 = 148,391 : x
2. Step 2: Convert to fraction form
   100,874.50/148,391 = 148,391/x
3. Step 3: Cross multiply
   100,874.50x = 148,391 × 148,391
4. Step 4: Simplify right side
   100,874.50x = 22,019,888,881
5. Step 5: Solve for x
   x = 22,019,888,881/100,874.50
6. Step 6: Final answer
   x = 218,289.94