Finding the Third Proportional to 13,003 and 19,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003 : 19,619.50 = 19,619.50 : x
2. Step 2: Convert to fraction form
   13,003/19,619.50 = 19,619.50/x
3. Step 3: Cross multiply
   13,003x = 19,619.50 × 19,619.50
4. Step 4: Simplify right side
   13,003x = 384,924,780.25
5. Step 5: Solve for x
   x = 384,924,780.25/13,003
6. Step 6: Final answer
   x = 29,602.77