Finding the Third Proportional to 112,308 and 242,112

Step by Step Solution

1. Step 1: Write the proportion equation
   112,308 : 242,112 = 242,112 : x
2. Step 2: Convert to fraction form
   112,308/242,112 = 242,112/x
3. Step 3: Cross multiply
   112,308x = 242,112 × 242,112
4. Step 4: Simplify right side
   112,308x = 58,618,220,544
5. Step 5: Solve for x
   x = 58,618,220,544/112,308
6. Step 6: Final answer
   x = 521,941.63