Finding the Third Proportional to 4,487.91 and 7,526.36

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487.91 : 7,526.36 = 7,526.36 : x
2. Step 2: Convert to fraction form
   4,487.91/7,526.36 = 7,526.36/x
3. Step 3: Cross multiply
   4,487.91x = 7,526.36 × 7,526.36
4. Step 4: Simplify right side
   4,487.91x = 56,646,026.64
5. Step 5: Solve for x
   x = 56,646,026.64/4,487.91
6. Step 6: Final answer
   x = 12,621.93