Finding the Third Proportional to 16,242.19 and 35,422.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,242.19 : 35,422.31 = 35,422.31 : x
2. Step 2: Convert to fraction form
   16,242.19/35,422.31 = 35,422.31/x
3. Step 3: Cross multiply
   16,242.19x = 35,422.31 × 35,422.31
4. Step 4: Simplify right side
   16,242.19x = 1,254,740,222.85
5. Step 5: Solve for x
   x = 1,254,740,222.85/16,242.19
6. Step 6: Final answer
   x = 77,251.92