Finding the Third Proportional to 112,748 and 242,938

Step by Step Solution

1. Step 1: Write the proportion equation
   112,748 : 242,938 = 242,938 : x
2. Step 2: Convert to fraction form
   112,748/242,938 = 242,938/x
3. Step 3: Cross multiply
   112,748x = 242,938 × 242,938
4. Step 4: Simplify right side
   112,748x = 59,018,871,844
5. Step 5: Solve for x
   x = 59,018,871,844/112,748
6. Step 6: Final answer
   x = 523,458.26