Finding the Third Proportional to 620,677.50 and 1,329,942

Step by Step Solution

1. Step 1: Write the proportion equation
   620,677.50 : 1,329,942 = 1,329,942 : x
2. Step 2: Convert to fraction form
   620,677.50/1,329,942 = 1,329,942/x
3. Step 3: Cross multiply
   620,677.50x = 1,329,942 × 1,329,942
4. Step 4: Simplify right side
   620,677.50x = 1,768,745,723,364
5. Step 5: Solve for x
   x = 1,768,745,723,364/620,677.50
6. Step 6: Final answer
   x = 2,849,701.69