Finding the Third Proportional to 111,258 and 246,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,258 : 246,541.50 = 246,541.50 : x
2. Step 2: Convert to fraction form
   111,258/246,541.50 = 246,541.50/x
3. Step 3: Cross multiply
   111,258x = 246,541.50 × 246,541.50
4. Step 4: Simplify right side
   111,258x = 60,782,711,222.25
5. Step 5: Solve for x
   x = 60,782,711,222.25/111,258
6. Step 6: Final answer
   x = 546,322.16