Finding the Third Proportional to 91,738 and 140,342

Step by Step Solution

1. Step 1: Write the proportion equation
   91,738 : 140,342 = 140,342 : x
2. Step 2: Convert to fraction form
   91,738/140,342 = 140,342/x
3. Step 3: Cross multiply
   91,738x = 140,342 × 140,342
4. Step 4: Simplify right side
   91,738x = 19,695,876,964
5. Step 5: Solve for x
   x = 19,695,876,964/91,738
6. Step 6: Final answer
   x = 214,697.04