Finding the Third Proportional to 3,664,055 and 7,831,276

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,055 : 7,831,276 = 7,831,276 : x
2. Step 2: Convert to fraction form
   3,664,055/7,831,276 = 7,831,276/x
3. Step 3: Cross multiply
   3,664,055x = 7,831,276 × 7,831,276
4. Step 4: Simplify right side
   3,664,055x = 61,328,883,788,176
5. Step 5: Solve for x
   x = 61,328,883,788,176/3,664,055
6. Step 6: Final answer
   x = 16,737,981.22