Finding the Third Proportional to 101,154 and 221,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,154 : 221,356.50 = 221,356.50 : x
2. Step 2: Convert to fraction form
   101,154/221,356.50 = 221,356.50/x
3. Step 3: Cross multiply
   101,154x = 221,356.50 × 221,356.50
4. Step 4: Simplify right side
   101,154x = 48,998,700,092.25
5. Step 5: Solve for x
   x = 48,998,700,092.25/101,154
6. Step 6: Final answer
   x = 484,397.06