Finding the Third Proportional to 112,302 and 242,100

Step by Step Solution

1. Step 1: Write the proportion equation
   112,302 : 242,100 = 242,100 : x
2. Step 2: Convert to fraction form
   112,302/242,100 = 242,100/x
3. Step 3: Cross multiply
   112,302x = 242,100 × 242,100
4. Step 4: Simplify right side
   112,302x = 58,612,410,000
5. Step 5: Solve for x
   x = 58,612,410,000/112,302
6. Step 6: Final answer
   x = 521,917.78