Finding the Third Proportional to 3,353,946 and 7,238,970

Step by Step Solution

1. Step 1: Write the proportion equation
   3,353,946 : 7,238,970 = 7,238,970 : x
2. Step 2: Convert to fraction form
   3,353,946/7,238,970 = 7,238,970/x
3. Step 3: Cross multiply
   3,353,946x = 7,238,970 × 7,238,970
4. Step 4: Simplify right side
   3,353,946x = 52,402,686,660,900
5. Step 5: Solve for x
   x = 52,402,686,660,900/3,353,946
6. Step 6: Final answer
   x = 15,624,189.14