Finding the Third Proportional to 116,445 and 237,172

Step by Step Solution

1. Step 1: Write the proportion equation
   116,445 : 237,172 = 237,172 : x
2. Step 2: Convert to fraction form
   116,445/237,172 = 237,172/x
3. Step 3: Cross multiply
   116,445x = 237,172 × 237,172
4. Step 4: Simplify right side
   116,445x = 56,250,557,584
5. Step 5: Solve for x
   x = 56,250,557,584/116,445
6. Step 6: Final answer
   x = 483,065.46