Finding the Third Proportional to 101,710 and 221,501.75

Step by Step Solution

1. Step 1: Write the proportion equation
   101,710 : 221,501.75 = 221,501.75 : x
2. Step 2: Convert to fraction form
   101,710/221,501.75 = 221,501.75/x
3. Step 3: Cross multiply
   101,710x = 221,501.75 × 221,501.75
4. Step 4: Simplify right side
   101,710x = 49,063,025,253.06
5. Step 5: Solve for x
   x = 49,063,025,253.06/101,710
6. Step 6: Final answer
   x = 482,381.53