Finding the Third Proportional to 19,990.55 and 34,868.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,990.55 : 34,868.13 = 34,868.13 : x
2. Step 2: Convert to fraction form
   19,990.55/34,868.13 = 34,868.13/x
3. Step 3: Cross multiply
   19,990.55x = 34,868.13 × 34,868.13
4. Step 4: Simplify right side
   19,990.55x = 1,215,786,277.22
5. Step 5: Solve for x
   x = 1,215,786,277.22/19,990.55
6. Step 6: Final answer
   x = 60,818.06