Finding the Third Proportional to 621,602 and 1,358,760

Step by Step Solution

1. Step 1: Write the proportion equation
   621,602 : 1,358,760 = 1,358,760 : x
2. Step 2: Convert to fraction form
   621,602/1,358,760 = 1,358,760/x
3. Step 3: Cross multiply
   621,602x = 1,358,760 × 1,358,760
4. Step 4: Simplify right side
   621,602x = 1,846,228,737,600
5. Step 5: Solve for x
   x = 1,846,228,737,600/621,602
6. Step 6: Final answer
   x = 2,970,113.90