Finding the Third Proportional to 8,931.52 and 19,613.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,931.52 : 19,613.39 = 19,613.39 : x
2. Step 2: Convert to fraction form
   8,931.52/19,613.39 = 19,613.39/x
3. Step 3: Cross multiply
   8,931.52x = 19,613.39 × 19,613.39
4. Step 4: Simplify right side
   8,931.52x = 384,685,091.81
5. Step 5: Solve for x
   x = 384,685,091.81/8,931.52
6. Step 6: Final answer
   x = 43,070.53