Finding the Third Proportional to 89,017,842 and 189,793,722

Step by Step Solution

1. Step 1: Write the proportion equation
   89,017,842 : 189,793,722 = 189,793,722 : x
2. Step 2: Convert to fraction form
   89,017,842/189,793,722 = 189,793,722/x
3. Step 3: Cross multiply
   89,017,842x = 189,793,722 × 189,793,722
4. Step 4: Simplify right side
   89,017,842x = 36,021,656,910,613,284
5. Step 5: Solve for x
   x = 36,021,656,910,613,284/89,017,842
6. Step 6: Final answer
   x = 404,656,595.82