Finding the Third Proportional to 23,160 and 40,140

Step by Step Solution

1. Step 1: Write the proportion equation
   23,160 : 40,140 = 40,140 : x
2. Step 2: Convert to fraction form
   23,160/40,140 = 40,140/x
3. Step 3: Cross multiply
   23,160x = 40,140 × 40,140
4. Step 4: Simplify right side
   23,160x = 1,611,219,600
5. Step 5: Solve for x
   x = 1,611,219,600/23,160
6. Step 6: Final answer
   x = 69,569.07