Finding the Third Proportional to 3,728,830 and 5,643,659

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,830 : 5,643,659 = 5,643,659 : x
2. Step 2: Convert to fraction form
   3,728,830/5,643,659 = 5,643,659/x
3. Step 3: Cross multiply
   3,728,830x = 5,643,659 × 5,643,659
4. Step 4: Simplify right side
   3,728,830x = 31,850,886,908,281
5. Step 5: Solve for x
   x = 31,850,886,908,281/3,728,830
6. Step 6: Final answer
   x = 8,541,791.10