Finding the Third Proportional to 620,910 and 1,358,054

Step by Step Solution

1. Step 1: Write the proportion equation
   620,910 : 1,358,054 = 1,358,054 : x
2. Step 2: Convert to fraction form
   620,910/1,358,054 = 1,358,054/x
3. Step 3: Cross multiply
   620,910x = 1,358,054 × 1,358,054
4. Step 4: Simplify right side
   620,910x = 1,844,310,666,916
5. Step 5: Solve for x
   x = 1,844,310,666,916/620,910
6. Step 6: Final answer
   x = 2,970,334.94