Finding the Third Proportional to 3,640,542 and 7,916,460

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640,542 : 7,916,460 = 7,916,460 : x
2. Step 2: Convert to fraction form
   3,640,542/7,916,460 = 7,916,460/x
3. Step 3: Cross multiply
   3,640,542x = 7,916,460 × 7,916,460
4. Step 4: Simplify right side
   3,640,542x = 62,670,338,931,600
5. Step 5: Solve for x
   x = 62,670,338,931,600/3,640,542
6. Step 6: Final answer
   x = 17,214,562.81