Finding the Third Proportional to 116,628 and 243,610

Step by Step Solution

1. Step 1: Write the proportion equation
   116,628 : 243,610 = 243,610 : x
2. Step 2: Convert to fraction form
   116,628/243,610 = 243,610/x
3. Step 3: Cross multiply
   116,628x = 243,610 × 243,610
4. Step 4: Simplify right side
   116,628x = 59,345,832,100
5. Step 5: Solve for x
   x = 59,345,832,100/116,628
6. Step 6: Final answer
   x = 508,847.21