Finding the Third Proportional to 112,588 and 245,912

Step by Step Solution

1. Step 1: Write the proportion equation
   112,588 : 245,912 = 245,912 : x
2. Step 2: Convert to fraction form
   112,588/245,912 = 245,912/x
3. Step 3: Cross multiply
   112,588x = 245,912 × 245,912
4. Step 4: Simplify right side
   112,588x = 60,472,711,744
5. Step 5: Solve for x
   x = 60,472,711,744/112,588
6. Step 6: Final answer
   x = 537,115.07