Finding the Third Proportional to 116,112 and 242,272

Step by Step Solution

1. Step 1: Write the proportion equation
   116,112 : 242,272 = 242,272 : x
2. Step 2: Convert to fraction form
   116,112/242,272 = 242,272/x
3. Step 3: Cross multiply
   116,112x = 242,272 × 242,272
4. Step 4: Simplify right side
   116,112x = 58,695,721,984
5. Step 5: Solve for x
   x = 58,695,721,984/116,112
6. Step 6: Final answer
   x = 505,509.53