Finding the Third Proportional to 112,584 and 243,908

Step by Step Solution

1. Step 1: Write the proportion equation
   112,584 : 243,908 = 243,908 : x
2. Step 2: Convert to fraction form
   112,584/243,908 = 243,908/x
3. Step 3: Cross multiply
   112,584x = 243,908 × 243,908
4. Step 4: Simplify right side
   112,584x = 59,491,112,464
5. Step 5: Solve for x
   x = 59,491,112,464/112,584
6. Step 6: Final answer
   x = 528,415.34