Finding the Third Proportional to 107,424 and 236,300

Step by Step Solution

1. Step 1: Write the proportion equation
   107,424 : 236,300 = 236,300 : x
2. Step 2: Convert to fraction form
   107,424/236,300 = 236,300/x
3. Step 3: Cross multiply
   107,424x = 236,300 × 236,300
4. Step 4: Simplify right side
   107,424x = 55,837,690,000
5. Step 5: Solve for x
   x = 55,837,690,000/107,424
6. Step 6: Final answer
   x = 519,787.85