Finding the Third Proportional to 607,171 and 905,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   607,171 : 905,830.50 = 905,830.50 : x
2. Step 2: Convert to fraction form
   607,171/905,830.50 = 905,830.50/x
3. Step 3: Cross multiply
   607,171x = 905,830.50 × 905,830.50
4. Step 4: Simplify right side
   607,171x = 820,528,894,730.25
5. Step 5: Solve for x
   x = 820,528,894,730.25/607,171
6. Step 6: Final answer
   x = 1,351,396.71