Finding the Third Proportional to 101,558 and 220,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,558 : 220,065.50 = 220,065.50 : x
2. Step 2: Convert to fraction form
   101,558/220,065.50 = 220,065.50/x
3. Step 3: Cross multiply
   101,558x = 220,065.50 × 220,065.50
4. Step 4: Simplify right side
   101,558x = 48,428,824,290.25
5. Step 5: Solve for x
   x = 48,428,824,290.25/101,558
6. Step 6: Final answer
   x = 476,858.78