Finding the Third Proportional to 111,350 and 243,148

Step by Step Solution

1. Step 1: Write the proportion equation
   111,350 : 243,148 = 243,148 : x
2. Step 2: Convert to fraction form
   111,350/243,148 = 243,148/x
3. Step 3: Cross multiply
   111,350x = 243,148 × 243,148
4. Step 4: Simplify right side
   111,350x = 59,120,949,904
5. Step 5: Solve for x
   x = 59,120,949,904/111,350
6. Step 6: Final answer
   x = 530,947.01