Finding the Third Proportional to 21,818,499 and 47,467,740

Step by Step Solution

1. Step 1: Write the proportion equation
   21,818,499 : 47,467,740 = 47,467,740 : x
2. Step 2: Convert to fraction form
   21,818,499/47,467,740 = 47,467,740/x
3. Step 3: Cross multiply
   21,818,499x = 47,467,740 × 47,467,740
4. Step 4: Simplify right side
   21,818,499x = 2,253,186,340,707,600
5. Step 5: Solve for x
   x = 2,253,186,340,707,600/21,818,499
6. Step 6: Final answer
   x = 103,269,539.33