Finding the Third Proportional to 415,092 and 607,834

Step by Step Solution

1. Step 1: Write the proportion equation
   415,092 : 607,834 = 607,834 : x
2. Step 2: Convert to fraction form
   415,092/607,834 = 607,834/x
3. Step 3: Cross multiply
   415,092x = 607,834 × 607,834
4. Step 4: Simplify right side
   415,092x = 369,462,171,556
5. Step 5: Solve for x
   x = 369,462,171,556/415,092
6. Step 6: Final answer
   x = 890,072.98