Finding the Third Proportional to 3,139,488 and 4,831,704

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,488 : 4,831,704 = 4,831,704 : x
2. Step 2: Convert to fraction form
   3,139,488/4,831,704 = 4,831,704/x
3. Step 3: Cross multiply
   3,139,488x = 4,831,704 × 4,831,704
4. Step 4: Simplify right side
   3,139,488x = 23,345,363,543,616
5. Step 5: Solve for x
   x = 23,345,363,543,616/3,139,488
6. Step 6: Final answer
   x = 7,436,041.66