Finding the Third Proportional to 21,815,056 and 34,146,456

Step by Step Solution

1. Step 1: Write the proportion equation
   21,815,056 : 34,146,456 = 34,146,456 : x
2. Step 2: Convert to fraction form
   21,815,056/34,146,456 = 34,146,456/x
3. Step 3: Cross multiply
   21,815,056x = 34,146,456 × 34,146,456
4. Step 4: Simplify right side
   21,815,056x = 1,165,980,457,359,936
5. Step 5: Solve for x
   x = 1,165,980,457,359,936/21,815,056
6. Step 6: Final answer
   x = 53,448,428.34