Finding the Third Proportional to 770,263.50 and 1,662,320.25

Step by Step Solution

1. Step 1: Write the proportion equation
   770,263.50 : 1,662,320.25 = 1,662,320.25 : x
2. Step 2: Convert to fraction form
   770,263.50/1,662,320.25 = 1,662,320.25/x
3. Step 3: Cross multiply
   770,263.50x = 1,662,320.25 × 1,662,320.25
4. Step 4: Simplify right side
   770,263.50x = 2,763,308,613,560.06
5. Step 5: Solve for x
   x = 2,763,308,613,560.06/770,263.50
6. Step 6: Final answer
   x = 3,587,484.82