Finding the Third Proportional to 1,378,312 and 2,920,284

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,312 : 2,920,284 = 2,920,284 : x
2. Step 2: Convert to fraction form
   1,378,312/2,920,284 = 2,920,284/x
3. Step 3: Cross multiply
   1,378,312x = 2,920,284 × 2,920,284
4. Step 4: Simplify right side
   1,378,312x = 8,528,058,640,656
5. Step 5: Solve for x
   x = 8,528,058,640,656/1,378,312
6. Step 6: Final answer
   x = 6,187,320.90