Finding the Third Proportional to 16,999.88 and 35,548.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,999.88 : 35,548.88 = 35,548.88 : x
2. Step 2: Convert to fraction form
   16,999.88/35,548.88 = 35,548.88/x
3. Step 3: Cross multiply
   16,999.88x = 35,548.88 × 35,548.88
4. Step 4: Simplify right side
   16,999.88x = 1,263,722,513.77
5. Step 5: Solve for x
   x = 1,263,722,513.77/16,999.88
6. Step 6: Final answer
   x = 74,337.17