Finding the Third Proportional to 1,007,430 and 1,396,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,430 : 1,396,296 = 1,396,296 : x
2. Step 2: Convert to fraction form
   1,007,430/1,396,296 = 1,396,296/x
3. Step 3: Cross multiply
   1,007,430x = 1,396,296 × 1,396,296
4. Step 4: Simplify right side
   1,007,430x = 1,949,642,519,616
5. Step 5: Solve for x
   x = 1,949,642,519,616/1,007,430
6. Step 6: Final answer
   x = 1,935,263.51