Finding the Third Proportional to 162,340.50 and 221,154

Step by Step Solution

1. Step 1: Write the proportion equation
   162,340.50 : 221,154 = 221,154 : x
2. Step 2: Convert to fraction form
   162,340.50/221,154 = 221,154/x
3. Step 3: Cross multiply
   162,340.50x = 221,154 × 221,154
4. Step 4: Simplify right side
   162,340.50x = 48,909,091,716
5. Step 5: Solve for x
   x = 48,909,091,716/162,340.50
6. Step 6: Final answer
   x = 301,274.74