Finding the Third Proportional to 813,640.50 and 1,771,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   813,640.50 : 1,771,933.50 = 1,771,933.50 : x
2. Step 2: Convert to fraction form
   813,640.50/1,771,933.50 = 1,771,933.50/x
3. Step 3: Cross multiply
   813,640.50x = 1,771,933.50 × 1,771,933.50
4. Step 4: Simplify right side
   813,640.50x = 3,139,748,328,422.25
5. Step 5: Solve for x
   x = 3,139,748,328,422.25/813,640.50
6. Step 6: Final answer
   x = 3,858,888.94