Finding the Third Proportional to 1,345,300 and 2,870,200

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,300 : 2,870,200 = 2,870,200 : x
2. Step 2: Convert to fraction form
   1,345,300/2,870,200 = 2,870,200/x
3. Step 3: Cross multiply
   1,345,300x = 2,870,200 × 2,870,200
4. Step 4: Simplify right side
   1,345,300x = 8,238,048,040,000
5. Step 5: Solve for x
   x = 8,238,048,040,000/1,345,300
6. Step 6: Final answer
   x = 6,123,576.93