Finding the Third Proportional to 113,136 and 243,760

Step by Step Solution

1. Step 1: Write the proportion equation
   113,136 : 243,760 = 243,760 : x
2. Step 2: Convert to fraction form
   113,136/243,760 = 243,760/x
3. Step 3: Cross multiply
   113,136x = 243,760 × 243,760
4. Step 4: Simplify right side
   113,136x = 59,418,937,600
5. Step 5: Solve for x
   x = 59,418,937,600/113,136
6. Step 6: Final answer
   x = 525,199.21