Finding the Third Proportional to 90,160 and 140,154

Step by Step Solution

1. Step 1: Write the proportion equation
   90,160 : 140,154 = 140,154 : x
2. Step 2: Convert to fraction form
   90,160/140,154 = 140,154/x
3. Step 3: Cross multiply
   90,160x = 140,154 × 140,154
4. Step 4: Simplify right side
   90,160x = 19,643,143,716
5. Step 5: Solve for x
   x = 19,643,143,716/90,160
6. Step 6: Final answer
   x = 217,869.83