Finding the Third Proportional to 50,418 and 70,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,418 : 70,654.50 = 70,654.50 : x
2. Step 2: Convert to fraction form
   50,418/70,654.50 = 70,654.50/x
3. Step 3: Cross multiply
   50,418x = 70,654.50 × 70,654.50
4. Step 4: Simplify right side
   50,418x = 4,992,058,370.25
5. Step 5: Solve for x
   x = 4,992,058,370.25/50,418
6. Step 6: Final answer
   x = 99,013.42