Finding the Third Proportional to 3,664,063 and 7,831,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,063 : 7,831,290 = 7,831,290 : x
2. Step 2: Convert to fraction form
   3,664,063/7,831,290 = 7,831,290/x
3. Step 3: Cross multiply
   3,664,063x = 7,831,290 × 7,831,290
4. Step 4: Simplify right side
   3,664,063x = 61,329,103,064,100
5. Step 5: Solve for x
   x = 61,329,103,064,100/3,664,063
6. Step 6: Final answer
   x = 16,738,004.52