Finding the Third Proportional to 2,216,361 and 4,699,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216,361 : 4,699,606.50 = 4,699,606.50 : x
2. Step 2: Convert to fraction form
   2,216,361/4,699,606.50 = 4,699,606.50/x
3. Step 3: Cross multiply
   2,216,361x = 4,699,606.50 × 4,699,606.50
4. Step 4: Simplify right side
   2,216,361x = 22,086,301,254,842.25
5. Step 5: Solve for x
   x = 22,086,301,254,842.25/2,216,361
6. Step 6: Final answer
   x = 9,965,119.06