Finding the Third Proportional to 101,152.50 and 221,354

Step by Step Solution

1. Step 1: Write the proportion equation
   101,152.50 : 221,354 = 221,354 : x
2. Step 2: Convert to fraction form
   101,152.50/221,354 = 221,354/x
3. Step 3: Cross multiply
   101,152.50x = 221,354 × 221,354
4. Step 4: Simplify right side
   101,152.50x = 48,997,593,316
5. Step 5: Solve for x
   x = 48,997,593,316/101,152.50
6. Step 6: Final answer
   x = 484,393.30