Finding the Third Proportional to 3,340,414 and 7,153,206

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340,414 : 7,153,206 = 7,153,206 : x
2. Step 2: Convert to fraction form
   3,340,414/7,153,206 = 7,153,206/x
3. Step 3: Cross multiply
   3,340,414x = 7,153,206 × 7,153,206
4. Step 4: Simplify right side
   3,340,414x = 51,168,356,078,436
5. Step 5: Solve for x
   x = 51,168,356,078,436/3,340,414
6. Step 6: Final answer
   x = 15,317,968.40