Finding the Third Proportional to 5,742,738 and 8,614,107

Step by Step Solution

1. Step 1: Write the proportion equation
   5,742,738 : 8,614,107 = 8,614,107 : x
2. Step 2: Convert to fraction form
   5,742,738/8,614,107 = 8,614,107/x
3. Step 3: Cross multiply
   5,742,738x = 8,614,107 × 8,614,107
4. Step 4: Simplify right side
   5,742,738x = 74,202,839,407,449
5. Step 5: Solve for x
   x = 74,202,839,407,449/5,742,738
6. Step 6: Final answer
   x = 12,921,160.50