Finding the Third Proportional to 242,748 and 497,160

Step by Step Solution

1. Step 1: Write the proportion equation
   242,748 : 497,160 = 497,160 : x
2. Step 2: Convert to fraction form
   242,748/497,160 = 497,160/x
3. Step 3: Cross multiply
   242,748x = 497,160 × 497,160
4. Step 4: Simplify right side
   242,748x = 247,168,065,600
5. Step 5: Solve for x
   x = 247,168,065,600/242,748
6. Step 6: Final answer
   x = 1,018,208.45