Finding the Third Proportional to 76,985 and 160,090

Step by Step Solution

1. Step 1: Write the proportion equation
   76,985 : 160,090 = 160,090 : x
2. Step 2: Convert to fraction form
   76,985/160,090 = 160,090/x
3. Step 3: Cross multiply
   76,985x = 160,090 × 160,090
4. Step 4: Simplify right side
   76,985x = 25,628,808,100
5. Step 5: Solve for x
   x = 25,628,808,100/76,985
6. Step 6: Final answer
   x = 332,906.52