Finding the Third Proportional to 1,489,980 and 3,317,214

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,980 : 3,317,214 = 3,317,214 : x
2. Step 2: Convert to fraction form
   1,489,980/3,317,214 = 3,317,214/x
3. Step 3: Cross multiply
   1,489,980x = 3,317,214 × 3,317,214
4. Step 4: Simplify right side
   1,489,980x = 11,003,908,721,796
5. Step 5: Solve for x
   x = 11,003,908,721,796/1,489,980
6. Step 6: Final answer
   x = 7,385,272.77