Finding the Third Proportional to 3,487,338 and 7,389,513

Step by Step Solution

1. Step 1: Write the proportion equation
   3,487,338 : 7,389,513 = 7,389,513 : x
2. Step 2: Convert to fraction form
   3,487,338/7,389,513 = 7,389,513/x
3. Step 3: Cross multiply
   3,487,338x = 7,389,513 × 7,389,513
4. Step 4: Simplify right side
   3,487,338x = 54,604,902,377,169
5. Step 5: Solve for x
   x = 54,604,902,377,169/3,487,338
6. Step 6: Final answer
   x = 15,658,047.02