Finding the Third Proportional to 40,970 and 86,060

Step by Step Solution

1. Step 1: Write the proportion equation
   40,970 : 86,060 = 86,060 : x
2. Step 2: Convert to fraction form
   40,970/86,060 = 86,060/x
3. Step 3: Cross multiply
   40,970x = 86,060 × 86,060
4. Step 4: Simplify right side
   40,970x = 7,406,323,600
5. Step 5: Solve for x
   x = 7,406,323,600/40,970
6. Step 6: Final answer
   x = 180,774.31