Finding the Third Proportional to 116,984 and 253,412

Step by Step Solution

1. Step 1: Write the proportion equation
   116,984 : 253,412 = 253,412 : x
2. Step 2: Convert to fraction form
   116,984/253,412 = 253,412/x
3. Step 3: Cross multiply
   116,984x = 253,412 × 253,412
4. Step 4: Simplify right side
   116,984x = 64,217,641,744
5. Step 5: Solve for x
   x = 64,217,641,744/116,984
6. Step 6: Final answer
   x = 548,943.80