Finding the Third Proportional to 624,300 and 1,343,288

Step by Step Solution

1. Step 1: Write the proportion equation
   624,300 : 1,343,288 = 1,343,288 : x
2. Step 2: Convert to fraction form
   624,300/1,343,288 = 1,343,288/x
3. Step 3: Cross multiply
   624,300x = 1,343,288 × 1,343,288
4. Step 4: Simplify right side
   624,300x = 1,804,422,650,944
5. Step 5: Solve for x
   x = 1,804,422,650,944/624,300
6. Step 6: Final answer
   x = 2,890,313.39