Finding the Third Proportional to 620,906 and 1,358,046

Step by Step Solution

1. Step 1: Write the proportion equation
   620,906 : 1,358,046 = 1,358,046 : x
2. Step 2: Convert to fraction form
   620,906/1,358,046 = 1,358,046/x
3. Step 3: Cross multiply
   620,906x = 1,358,046 × 1,358,046
4. Step 4: Simplify right side
   620,906x = 1,844,288,938,116
5. Step 5: Solve for x
   x = 1,844,288,938,116/620,906
6. Step 6: Final answer
   x = 2,970,319.08