Finding the Third Proportional to 60,819 and 90,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,819 : 90,982.50 = 90,982.50 : x
2. Step 2: Convert to fraction form
   60,819/90,982.50 = 90,982.50/x
3. Step 3: Cross multiply
   60,819x = 90,982.50 × 90,982.50
4. Step 4: Simplify right side
   60,819x = 8,277,815,306.25
5. Step 5: Solve for x
   x = 8,277,815,306.25/60,819
6. Step 6: Final answer
   x = 136,105.75