Finding the Third Proportional to 199,747.50 and 427,926

Step by Step Solution

1. Step 1: Write the proportion equation
   199,747.50 : 427,926 = 427,926 : x
2. Step 2: Convert to fraction form
   199,747.50/427,926 = 427,926/x
3. Step 3: Cross multiply
   199,747.50x = 427,926 × 427,926
4. Step 4: Simplify right side
   199,747.50x = 183,120,661,476
5. Step 5: Solve for x
   x = 183,120,661,476/199,747.50
6. Step 6: Final answer
   x = 916,760.72