Finding the Third Proportional to 9,742,699 and 13,620,866

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742,699 : 13,620,866 = 13,620,866 : x
2. Step 2: Convert to fraction form
   9,742,699/13,620,866 = 13,620,866/x
3. Step 3: Cross multiply
   9,742,699x = 13,620,866 × 13,620,866
4. Step 4: Simplify right side
   9,742,699x = 185,527,990,589,956
5. Step 5: Solve for x
   x = 185,527,990,589,956/9,742,699
6. Step 6: Final answer
   x = 19,042,771.47