Finding the Third Proportional to 2,620.13 and 5,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.13 : 5,602.50 = 5,602.50 : x
2. Step 2: Convert to fraction form
   2,620.13/5,602.50 = 5,602.50/x
3. Step 3: Cross multiply
   2,620.13x = 5,602.50 × 5,602.50
4. Step 4: Simplify right side
   2,620.13x = 31,388,006.25
5. Step 5: Solve for x
   x = 31,388,006.25/2,620.13
6. Step 6: Final answer
   x = 11,979.58