Finding the Third Proportional to 91,842 and 140,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,842 : 140,479.50 = 140,479.50 : x
2. Step 2: Convert to fraction form
   91,842/140,479.50 = 140,479.50/x
3. Step 3: Cross multiply
   91,842x = 140,479.50 × 140,479.50
4. Step 4: Simplify right side
   91,842x = 19,734,489,920.25
5. Step 5: Solve for x
   x = 19,734,489,920.25/91,842
6. Step 6: Final answer
   x = 214,874.35