Finding the Third Proportional to 13,617 and 21,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,617 : 21,032.50 = 21,032.50 : x
2. Step 2: Convert to fraction form
   13,617/21,032.50 = 21,032.50/x
3. Step 3: Cross multiply
   13,617x = 21,032.50 × 21,032.50
4. Step 4: Simplify right side
   13,617x = 442,366,056.25
5. Step 5: Solve for x
   x = 442,366,056.25/13,617
6. Step 6: Final answer
   x = 32,486.31