Finding the Third Proportional to 65,426 and 87,003

Step by Step Solution

1. Step 1: Write the proportion equation
   65,426 : 87,003 = 87,003 : x
2. Step 2: Convert to fraction form
   65,426/87,003 = 87,003/x
3. Step 3: Cross multiply
   65,426x = 87,003 × 87,003
4. Step 4: Simplify right side
   65,426x = 7,569,522,009
5. Step 5: Solve for x
   x = 7,569,522,009/65,426
6. Step 6: Final answer
   x = 115,695.93