Finding the Third Proportional to 553,677 and 1,207,404

Step by Step Solution

1. Step 1: Write the proportion equation
   553,677 : 1,207,404 = 1,207,404 : x
2. Step 2: Convert to fraction form
   553,677/1,207,404 = 1,207,404/x
3. Step 3: Cross multiply
   553,677x = 1,207,404 × 1,207,404
4. Step 4: Simplify right side
   553,677x = 1,457,824,419,216
5. Step 5: Solve for x
   x = 1,457,824,419,216/553,677
6. Step 6: Final answer
   x = 2,632,987.14