Finding the Third Proportional to 3,149,685 and 6,509,322

Step by Step Solution

1. Step 1: Write the proportion equation
   3,149,685 : 6,509,322 = 6,509,322 : x
2. Step 2: Convert to fraction form
   3,149,685/6,509,322 = 6,509,322/x
3. Step 3: Cross multiply
   3,149,685x = 6,509,322 × 6,509,322
4. Step 4: Simplify right side
   3,149,685x = 42,371,272,899,684
5. Step 5: Solve for x
   x = 42,371,272,899,684/3,149,685
6. Step 6: Final answer
   x = 13,452,543.00