Finding the Third Proportional to 13,898.25 and 29,977.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,898.25 : 29,977.88 = 29,977.88 : x
2. Step 2: Convert to fraction form
   13,898.25/29,977.88 = 29,977.88/x
3. Step 3: Cross multiply
   13,898.25x = 29,977.88 × 29,977.88
4. Step 4: Simplify right side
   13,898.25x = 898,672,989.52
5. Step 5: Solve for x
   x = 898,672,989.52/13,898.25
6. Step 6: Final answer
   x = 64,660.87