Finding the Third Proportional to 85,215 and 116,887

Step by Step Solution

1. Step 1: Write the proportion equation
   85,215 : 116,887 = 116,887 : x
2. Step 2: Convert to fraction form
   85,215/116,887 = 116,887/x
3. Step 3: Cross multiply
   85,215x = 116,887 × 116,887
4. Step 4: Simplify right side
   85,215x = 13,662,570,769
5. Step 5: Solve for x
   x = 13,662,570,769/85,215
6. Step 6: Final answer
   x = 160,330.58