Finding the Third Proportional to 553,263 and 1,213,662

Step by Step Solution

1. Step 1: Write the proportion equation
   553,263 : 1,213,662 = 1,213,662 : x
2. Step 2: Convert to fraction form
   553,263/1,213,662 = 1,213,662/x
3. Step 3: Cross multiply
   553,263x = 1,213,662 × 1,213,662
4. Step 4: Simplify right side
   553,263x = 1,472,975,450,244
5. Step 5: Solve for x
   x = 1,472,975,450,244/553,263
6. Step 6: Final answer
   x = 2,662,342.23