Finding the Third Proportional to 504,562 and 840,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   504,562 : 840,905.50 = 840,905.50 : x
2. Step 2: Convert to fraction form
   504,562/840,905.50 = 840,905.50/x
3. Step 3: Cross multiply
   504,562x = 840,905.50 × 840,905.50
4. Step 4: Simplify right side
   504,562x = 707,122,059,930.25
5. Step 5: Solve for x
   x = 707,122,059,930.25/504,562
6. Step 6: Final answer
   x = 1,401,457.22