Finding the Third Proportional to 112,740 and 173,349

Step by Step Solution

1. Step 1: Write the proportion equation
   112,740 : 173,349 = 173,349 : x
2. Step 2: Convert to fraction form
   112,740/173,349 = 173,349/x
3. Step 3: Cross multiply
   112,740x = 173,349 × 173,349
4. Step 4: Simplify right side
   112,740x = 30,049,875,801
5. Step 5: Solve for x
   x = 30,049,875,801/112,740
6. Step 6: Final answer
   x = 266,541.39