Finding the Third Proportional to 810,478.50 and 1,763,659.50

Step by Step Solution

1. Step 1: Write the proportion equation
   810,478.50 : 1,763,659.50 = 1,763,659.50 : x
2. Step 2: Convert to fraction form
   810,478.50/1,763,659.50 = 1,763,659.50/x
3. Step 3: Cross multiply
   810,478.50x = 1,763,659.50 × 1,763,659.50
4. Step 4: Simplify right side
   810,478.50x = 3,110,494,831,940.25
5. Step 5: Solve for x
   x = 3,110,494,831,940.25/810,478.50
6. Step 6: Final answer
   x = 3,837,849.90