Finding the Third Proportional to 38,872 and 58,316

Step by Step Solution

1. Step 1: Write the proportion equation
   38,872 : 58,316 = 58,316 : x
2. Step 2: Convert to fraction form
   38,872/58,316 = 58,316/x
3. Step 3: Cross multiply
   38,872x = 58,316 × 58,316
4. Step 4: Simplify right side
   38,872x = 3,400,755,856
5. Step 5: Solve for x
   x = 3,400,755,856/38,872
6. Step 6: Final answer
   x = 87,486.00