Finding the Third Proportional to 13,129,852 and 21,095,988

Step by Step Solution

1. Step 1: Write the proportion equation
   13,129,852 : 21,095,988 = 21,095,988 : x
2. Step 2: Convert to fraction form
   13,129,852/21,095,988 = 21,095,988/x
3. Step 3: Cross multiply
   13,129,852x = 21,095,988 × 21,095,988
4. Step 4: Simplify right side
   13,129,852x = 445,040,709,696,144
5. Step 5: Solve for x
   x = 445,040,709,696,144/13,129,852
6. Step 6: Final answer
   x = 33,895,333.30