Finding the Third Proportional to 3,664,046 and 7,831,256

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,046 : 7,831,256 = 7,831,256 : x
2. Step 2: Convert to fraction form
   3,664,046/7,831,256 = 7,831,256/x
3. Step 3: Cross multiply
   3,664,046x = 7,831,256 × 7,831,256
4. Step 4: Simplify right side
   3,664,046x = 61,328,570,537,536
5. Step 5: Solve for x
   x = 61,328,570,537,536/3,664,046
6. Step 6: Final answer
   x = 16,737,936.84