Finding the Third Proportional to 667,419.50 and 1,382,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   667,419.50 : 1,382,154.50 = 1,382,154.50 : x
2. Step 2: Convert to fraction form
   667,419.50/1,382,154.50 = 1,382,154.50/x
3. Step 3: Cross multiply
   667,419.50x = 1,382,154.50 × 1,382,154.50
4. Step 4: Simplify right side
   667,419.50x = 1,910,351,061,870.25
5. Step 5: Solve for x
   x = 1,910,351,061,870.25/667,419.50
6. Step 6: Final answer
   x = 2,862,294.35