Finding the Third Proportional to 101,573 and 218,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,573 : 218,755.50 = 218,755.50 : x
2. Step 2: Convert to fraction form
   101,573/218,755.50 = 218,755.50/x
3. Step 3: Cross multiply
   101,573x = 218,755.50 × 218,755.50
4. Step 4: Simplify right side
   101,573x = 47,853,968,780.25
5. Step 5: Solve for x
   x = 47,853,968,780.25/101,573
6. Step 6: Final answer
   x = 471,128.83