Finding the Third Proportional to 3,175,378 and 7,494,646

Step by Step Solution

1. Step 1: Write the proportion equation
   3,175,378 : 7,494,646 = 7,494,646 : x
2. Step 2: Convert to fraction form
   3,175,378/7,494,646 = 7,494,646/x
3. Step 3: Cross multiply
   3,175,378x = 7,494,646 × 7,494,646
4. Step 4: Simplify right side
   3,175,378x = 56,169,718,665,316
5. Step 5: Solve for x
   x = 56,169,718,665,316/3,175,378
6. Step 6: Final answer
   x = 17,689,143.99