Finding the Third Proportional to 813,685.50 and 1,772,025

Step by Step Solution

1. Step 1: Write the proportion equation
   813,685.50 : 1,772,025 = 1,772,025 : x
2. Step 2: Convert to fraction form
   813,685.50/1,772,025 = 1,772,025/x
3. Step 3: Cross multiply
   813,685.50x = 1,772,025 × 1,772,025
4. Step 4: Simplify right side
   813,685.50x = 3,140,072,600,625
5. Step 5: Solve for x
   x = 3,140,072,600,625/813,685.50
6. Step 6: Final answer
   x = 3,859,074.05