Finding the Third Proportional to 13,113 and 21,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113 : 21,046.50 = 21,046.50 : x
2. Step 2: Convert to fraction form
   13,113/21,046.50 = 21,046.50/x
3. Step 3: Cross multiply
   13,113x = 21,046.50 × 21,046.50
4. Step 4: Simplify right side
   13,113x = 442,955,162.25
5. Step 5: Solve for x
   x = 442,955,162.25/13,113
6. Step 6: Final answer
   x = 33,779.85