Finding the Third Proportional to 2,015,628 and 4,385,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,628 : 4,385,520 = 4,385,520 : x
2. Step 2: Convert to fraction form
   2,015,628/4,385,520 = 4,385,520/x
3. Step 3: Cross multiply
   2,015,628x = 4,385,520 × 4,385,520
4. Step 4: Simplify right side
   2,015,628x = 19,232,785,670,400
5. Step 5: Solve for x
   x = 19,232,785,670,400/2,015,628
6. Step 6: Final answer
   x = 9,541,832.95