Finding the Third Proportional to 538,224 and 1,268,745

Step by Step Solution

1. Step 1: Write the proportion equation
   538,224 : 1,268,745 = 1,268,745 : x
2. Step 2: Convert to fraction form
   538,224/1,268,745 = 1,268,745/x
3. Step 3: Cross multiply
   538,224x = 1,268,745 × 1,268,745
4. Step 4: Simplify right side
   538,224x = 1,609,713,875,025
5. Step 5: Solve for x
   x = 1,609,713,875,025/538,224
6. Step 6: Final answer
   x = 2,990,787.99