Finding the Third Proportional to 2,012,415 and 2,991,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012,415 : 2,991,240 = 2,991,240 : x
2. Step 2: Convert to fraction form
   2,012,415/2,991,240 = 2,991,240/x
3. Step 3: Cross multiply
   2,012,415x = 2,991,240 × 2,991,240
4. Step 4: Simplify right side
   2,012,415x = 8,947,516,737,600
5. Step 5: Solve for x
   x = 8,947,516,737,600/2,012,415
6. Step 6: Final answer
   x = 4,446,158.84