Finding the Third Proportional to 112,426 and 245,572

Step by Step Solution

1. Step 1: Write the proportion equation
   112,426 : 245,572 = 245,572 : x
2. Step 2: Convert to fraction form
   112,426/245,572 = 245,572/x
3. Step 3: Cross multiply
   112,426x = 245,572 × 245,572
4. Step 4: Simplify right side
   112,426x = 60,305,607,184
5. Step 5: Solve for x
   x = 60,305,607,184/112,426
6. Step 6: Final answer
   x = 536,402.68