Finding the Third Proportional to 49,789 and 109,423

Step by Step Solution

1. Step 1: Write the proportion equation
   49,789 : 109,423 = 109,423 : x
2. Step 2: Convert to fraction form
   49,789/109,423 = 109,423/x
3. Step 3: Cross multiply
   49,789x = 109,423 × 109,423
4. Step 4: Simplify right side
   49,789x = 11,973,392,929
5. Step 5: Solve for x
   x = 11,973,392,929/49,789
6. Step 6: Final answer
   x = 240,482.70