Finding the Third Proportional to 999,776.50 and 1,428,672

Step by Step Solution

1. Step 1: Write the proportion equation
   999,776.50 : 1,428,672 = 1,428,672 : x
2. Step 2: Convert to fraction form
   999,776.50/1,428,672 = 1,428,672/x
3. Step 3: Cross multiply
   999,776.50x = 1,428,672 × 1,428,672
4. Step 4: Simplify right side
   999,776.50x = 2,041,103,683,584
5. Step 5: Solve for x
   x = 2,041,103,683,584/999,776.50
6. Step 6: Final answer
   x = 2,041,559.97