Finding the Third Proportional to 553,056 and 1,206,156

Step by Step Solution

1. Step 1: Write the proportion equation
   553,056 : 1,206,156 = 1,206,156 : x
2. Step 2: Convert to fraction form
   553,056/1,206,156 = 1,206,156/x
3. Step 3: Cross multiply
   553,056x = 1,206,156 × 1,206,156
4. Step 4: Simplify right side
   553,056x = 1,454,812,296,336
5. Step 5: Solve for x
   x = 1,454,812,296,336/553,056
6. Step 6: Final answer
   x = 2,630,497.27