Finding the Third Proportional to 3,409,378 and 7,350,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,409,378 : 7,350,124 = 7,350,124 : x
2. Step 2: Convert to fraction form
   3,409,378/7,350,124 = 7,350,124/x
3. Step 3: Cross multiply
   3,409,378x = 7,350,124 × 7,350,124
4. Step 4: Simplify right side
   3,409,378x = 54,024,322,815,376
5. Step 5: Solve for x
   x = 54,024,322,815,376/3,409,378
6. Step 6: Final answer
   x = 15,845,800.26