Finding the Third Proportional to 1,495,639.69 and 2,178,064.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495,639.69 : 2,178,064.69 = 2,178,064.69 : x
2. Step 2: Convert to fraction form
   1,495,639.69/2,178,064.69 = 2,178,064.69/x
3. Step 3: Cross multiply
   1,495,639.69x = 2,178,064.69 × 2,178,064.69
4. Step 4: Simplify right side
   1,495,639.69x = 4,743,965,782,934.47
5. Step 5: Solve for x
   x = 4,743,965,782,934.47/1,495,639.69
6. Step 6: Final answer
   x = 3,171,864.07