Finding the Third Proportional to 13,056 and 19,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056 : 19,642.50 = 19,642.50 : x
2. Step 2: Convert to fraction form
   13,056/19,642.50 = 19,642.50/x
3. Step 3: Cross multiply
   13,056x = 19,642.50 × 19,642.50
4. Step 4: Simplify right side
   13,056x = 385,827,806.25
5. Step 5: Solve for x
   x = 385,827,806.25/13,056
6. Step 6: Final answer
   x = 29,551.76