Finding the Third Proportional to 2,200,690 and 4,666,331

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,690 : 4,666,331 = 4,666,331 : x
2. Step 2: Convert to fraction form
   2,200,690/4,666,331 = 4,666,331/x
3. Step 3: Cross multiply
   2,200,690x = 4,666,331 × 4,666,331
4. Step 4: Simplify right side
   2,200,690x = 21,774,645,001,561
5. Step 5: Solve for x
   x = 21,774,645,001,561/2,200,690
6. Step 6: Final answer
   x = 9,894,462.65