Finding the Third Proportional to 117,156.38 and 242,620.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,156.38 : 242,620.31 = 242,620.31 : x
2. Step 2: Convert to fraction form
   117,156.38/242,620.31 = 242,620.31/x
3. Step 3: Cross multiply
   117,156.38x = 242,620.31 × 242,620.31
4. Step 4: Simplify right side
   117,156.38x = 58,864,616,037.60
5. Step 5: Solve for x
   x = 58,864,616,037.60/117,156.38
6. Step 6: Final answer
   x = 502,444.84