Finding the Third Proportional to 13,921,972 and 29,900,456

Step by Step Solution

1. Step 1: Write the proportion equation
   13,921,972 : 29,900,456 = 29,900,456 : x
2. Step 2: Convert to fraction form
   13,921,972/29,900,456 = 29,900,456/x
3. Step 3: Cross multiply
   13,921,972x = 29,900,456 × 29,900,456
4. Step 4: Simplify right side
   13,921,972x = 894,037,269,007,936
5. Step 5: Solve for x
   x = 894,037,269,007,936/13,921,972
6. Step 6: Final answer
   x = 64,217,717.79