Finding the Third Proportional to 519,216 and 1,118,784

Step by Step Solution

1. Step 1: Write the proportion equation
   519,216 : 1,118,784 = 1,118,784 : x
2. Step 2: Convert to fraction form
   519,216/1,118,784 = 1,118,784/x
3. Step 3: Cross multiply
   519,216x = 1,118,784 × 1,118,784
4. Step 4: Simplify right side
   519,216x = 1,251,677,638,656
5. Step 5: Solve for x
   x = 1,251,677,638,656/519,216
6. Step 6: Final answer
   x = 2,410,706.99