Finding the Third Proportional to 1,345,285.97 and 2,870,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,285.97 : 2,870,171.72 = 2,870,171.72 : x
2. Step 2: Convert to fraction form
   1,345,285.97/2,870,171.72 = 2,870,171.72/x
3. Step 3: Cross multiply
   1,345,285.97x = 2,870,171.72 × 2,870,171.72
4. Step 4: Simplify right side
   1,345,285.97x = 8,237,885,695,112.33
5. Step 5: Solve for x
   x = 8,237,885,695,112.33/1,345,285.97
6. Step 6: Final answer
   x = 6,123,520.12