Finding the Third Proportional to 1,439,328 and 2,112,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,328 : 2,112,336 = 2,112,336 : x
2. Step 2: Convert to fraction form
   1,439,328/2,112,336 = 2,112,336/x
3. Step 3: Cross multiply
   1,439,328x = 2,112,336 × 2,112,336
4. Step 4: Simplify right side
   1,439,328x = 4,461,963,376,896
5. Step 5: Solve for x
   x = 4,461,963,376,896/1,439,328
6. Step 6: Final answer
   x = 3,100,032.36