Finding the Third Proportional to 3,243,674 and 7,134,835

Step by Step Solution

1. Step 1: Write the proportion equation
   3,243,674 : 7,134,835 = 7,134,835 : x
2. Step 2: Convert to fraction form
   3,243,674/7,134,835 = 7,134,835/x
3. Step 3: Cross multiply
   3,243,674x = 7,134,835 × 7,134,835
4. Step 4: Simplify right side
   3,243,674x = 50,905,870,477,225
5. Step 5: Solve for x
   x = 50,905,870,477,225/3,243,674
6. Step 6: Final answer
   x = 15,693,892.32