Finding the Third Proportional to 39,617 and 87,010

Step by Step Solution

1. Step 1: Write the proportion equation
   39,617 : 87,010 = 87,010 : x
2. Step 2: Convert to fraction form
   39,617/87,010 = 87,010/x
3. Step 3: Cross multiply
   39,617x = 87,010 × 87,010
4. Step 4: Simplify right side
   39,617x = 7,570,740,100
5. Step 5: Solve for x
   x = 7,570,740,100/39,617
6. Step 6: Final answer
   x = 191,098.27