Finding the Third Proportional to 13,717,978 and 21,051,300

Step by Step Solution

1. Step 1: Write the proportion equation
   13,717,978 : 21,051,300 = 21,051,300 : x
2. Step 2: Convert to fraction form
   13,717,978/21,051,300 = 21,051,300/x
3. Step 3: Cross multiply
   13,717,978x = 21,051,300 × 21,051,300
4. Step 4: Simplify right side
   13,717,978x = 443,157,231,690,000
5. Step 5: Solve for x
   x = 443,157,231,690,000/13,717,978
6. Step 6: Final answer
   x = 32,304,850.74