Finding the Third Proportional to 116,113.50 and 237,147

Step by Step Solution

1. Step 1: Write the proportion equation
   116,113.50 : 237,147 = 237,147 : x
2. Step 2: Convert to fraction form
   116,113.50/237,147 = 237,147/x
3. Step 3: Cross multiply
   116,113.50x = 237,147 × 237,147
4. Step 4: Simplify right side
   116,113.50x = 56,238,699,609
5. Step 5: Solve for x
   x = 56,238,699,609/116,113.50
6. Step 6: Final answer
   x = 484,342.47