Finding the Third Proportional to 21,855,412 and 47,666,143

Step by Step Solution

1. Step 1: Write the proportion equation
   21,855,412 : 47,666,143 = 47,666,143 : x
2. Step 2: Convert to fraction form
   21,855,412/47,666,143 = 47,666,143/x
3. Step 3: Cross multiply
   21,855,412x = 47,666,143 × 47,666,143
4. Step 4: Simplify right side
   21,855,412x = 2,272,061,188,496,449
5. Step 5: Solve for x
   x = 2,272,061,188,496,449/21,855,412
6. Step 6: Final answer
   x = 103,958,744.34