Finding the Third Proportional to 156,784 and 242,844

Step by Step Solution

1. Step 1: Write the proportion equation
   156,784 : 242,844 = 242,844 : x
2. Step 2: Convert to fraction form
   156,784/242,844 = 242,844/x
3. Step 3: Cross multiply
   156,784x = 242,844 × 242,844
4. Step 4: Simplify right side
   156,784x = 58,973,208,336
5. Step 5: Solve for x
   x = 58,973,208,336/156,784
6. Step 6: Final answer
   x = 376,143.03