Finding the Third Proportional to 38,813 and 58,412

Step by Step Solution

1. Step 1: Write the proportion equation
   38,813 : 58,412 = 58,412 : x
2. Step 2: Convert to fraction form
   38,813/58,412 = 58,412/x
3. Step 3: Cross multiply
   38,813x = 58,412 × 58,412
4. Step 4: Simplify right side
   38,813x = 3,411,961,744
5. Step 5: Solve for x
   x = 3,411,961,744/38,813
6. Step 6: Final answer
   x = 87,907.70