Finding the Third Proportional to 1,996,320 and 4,328,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996,320 : 4,328,940 = 4,328,940 : x
2. Step 2: Convert to fraction form
   1,996,320/4,328,940 = 4,328,940/x
3. Step 3: Cross multiply
   1,996,320x = 4,328,940 × 4,328,940
4. Step 4: Simplify right side
   1,996,320x = 18,739,721,523,600
5. Step 5: Solve for x
   x = 18,739,721,523,600/1,996,320
6. Step 6: Final answer
   x = 9,387,133.09