Finding the Third Proportional to 116,626 and 243,606

Step by Step Solution

1. Step 1: Write the proportion equation
   116,626 : 243,606 = 243,606 : x
2. Step 2: Convert to fraction form
   116,626/243,606 = 243,606/x
3. Step 3: Cross multiply
   116,626x = 243,606 × 243,606
4. Step 4: Simplify right side
   116,626x = 59,343,883,236
5. Step 5: Solve for x
   x = 59,343,883,236/116,626
6. Step 6: Final answer
   x = 508,839.22