Finding the Third Proportional to 906,196 and 1,439,646

Step by Step Solution

1. Step 1: Write the proportion equation
   906,196 : 1,439,646 = 1,439,646 : x
2. Step 2: Convert to fraction form
   906,196/1,439,646 = 1,439,646/x
3. Step 3: Cross multiply
   906,196x = 1,439,646 × 1,439,646
4. Step 4: Simplify right side
   906,196x = 2,072,580,605,316
5. Step 5: Solve for x
   x = 2,072,580,605,316/906,196
6. Step 6: Final answer
   x = 2,287,121.78