Finding the Third Proportional to 607,174 and 905,834

Step by Step Solution

1. Step 1: Write the proportion equation
   607,174 : 905,834 = 905,834 : x
2. Step 2: Convert to fraction form
   607,174/905,834 = 905,834/x
3. Step 3: Cross multiply
   607,174x = 905,834 × 905,834
4. Step 4: Simplify right side
   607,174x = 820,535,235,556
5. Step 5: Solve for x
   x = 820,535,235,556/607,174
6. Step 6: Final answer
   x = 1,351,400.48