Finding the Third Proportional to 13,831,524 and 20,298,870

Step by Step Solution

1. Step 1: Write the proportion equation
   13,831,524 : 20,298,870 = 20,298,870 : x
2. Step 2: Convert to fraction form
   13,831,524/20,298,870 = 20,298,870/x
3. Step 3: Cross multiply
   13,831,524x = 20,298,870 × 20,298,870
4. Step 4: Simplify right side
   13,831,524x = 412,044,123,276,900
5. Step 5: Solve for x
   x = 412,044,123,276,900/13,831,524
6. Step 6: Final answer
   x = 29,790,218.58