Finding the Third Proportional to 1,917.42 and 4,136.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917.42 : 4,136.91 = 4,136.91 : x
2. Step 2: Convert to fraction form
   1,917.42/4,136.91 = 4,136.91/x
3. Step 3: Cross multiply
   1,917.42x = 4,136.91 × 4,136.91
4. Step 4: Simplify right side
   1,917.42x = 17,113,993.32
5. Step 5: Solve for x
   x = 17,113,993.32/1,917.42
6. Step 6: Final answer
   x = 8,925.52