Finding the Third Proportional to 578,584 and 1,185,356

Step by Step Solution

1. Step 1: Write the proportion equation
   578,584 : 1,185,356 = 1,185,356 : x
2. Step 2: Convert to fraction form
   578,584/1,185,356 = 1,185,356/x
3. Step 3: Cross multiply
   578,584x = 1,185,356 × 1,185,356
4. Step 4: Simplify right side
   578,584x = 1,405,068,846,736
5. Step 5: Solve for x
   x = 1,405,068,846,736/578,584
6. Step 6: Final answer
   x = 2,428,461.29