Finding the Third Proportional to 1,338,316 and 1,907,706

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,316 : 1,907,706 = 1,907,706 : x
2. Step 2: Convert to fraction form
   1,338,316/1,907,706 = 1,907,706/x
3. Step 3: Cross multiply
   1,338,316x = 1,907,706 × 1,907,706
4. Step 4: Simplify right side
   1,338,316x = 3,639,342,182,436
5. Step 5: Solve for x
   x = 3,639,342,182,436/1,338,316
6. Step 6: Final answer
   x = 2,719,344.45