Finding the Third Proportional to 504,562.50 and 840,906

Step by Step Solution

1. Step 1: Write the proportion equation
   504,562.50 : 840,906 = 840,906 : x
2. Step 2: Convert to fraction form
   504,562.50/840,906 = 840,906/x
3. Step 3: Cross multiply
   504,562.50x = 840,906 × 840,906
4. Step 4: Simplify right side
   504,562.50x = 707,122,900,836
5. Step 5: Solve for x
   x = 707,122,900,836/504,562.50
6. Step 6: Final answer
   x = 1,401,457.50