Finding the Third Proportional to 101,088 and 206,550

Step by Step Solution

1. Step 1: Write the proportion equation
   101,088 : 206,550 = 206,550 : x
2. Step 2: Convert to fraction form
   101,088/206,550 = 206,550/x
3. Step 3: Cross multiply
   101,088x = 206,550 × 206,550
4. Step 4: Simplify right side
   101,088x = 42,662,902,500
5. Step 5: Solve for x
   x = 42,662,902,500/101,088
6. Step 6: Final answer
   x = 422,037.26