Finding the Third Proportional to 9,807.88 and 21,234.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.88 : 21,234.06 = 21,234.06 : x
2. Step 2: Convert to fraction form
   9,807.88/21,234.06 = 21,234.06/x
3. Step 3: Cross multiply
   9,807.88x = 21,234.06 × 21,234.06
4. Step 4: Simplify right side
   9,807.88x = 450,885,410.25
5. Step 5: Solve for x
   x = 450,885,410.25/9,807.88
6. Step 6: Final answer
   x = 45,971.77