Finding the Third Proportional to 610,436 and 1,276,633

Step by Step Solution

1. Step 1: Write the proportion equation
   610,436 : 1,276,633 = 1,276,633 : x
2. Step 2: Convert to fraction form
   610,436/1,276,633 = 1,276,633/x
3. Step 3: Cross multiply
   610,436x = 1,276,633 × 1,276,633
4. Step 4: Simplify right side
   610,436x = 1,629,791,816,689
5. Step 5: Solve for x
   x = 1,629,791,816,689/610,436
6. Step 6: Final answer
   x = 2,669,881.55