Finding the Third Proportional to 2,152,521 and 4,683,393

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,521 : 4,683,393 = 4,683,393 : x
2. Step 2: Convert to fraction form
   2,152,521/4,683,393 = 4,683,393/x
3. Step 3: Cross multiply
   2,152,521x = 4,683,393 × 4,683,393
4. Step 4: Simplify right side
   2,152,521x = 21,934,169,992,449
5. Step 5: Solve for x
   x = 21,934,169,992,449/2,152,521
6. Step 6: Final answer
   x = 10,189,991.17