Finding the Third Proportional to 1,372,555 and 1,980,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,555 : 1,980,091.50 = 1,980,091.50 : x
2. Step 2: Convert to fraction form
   1,372,555/1,980,091.50 = 1,980,091.50/x
3. Step 3: Cross multiply
   1,372,555x = 1,980,091.50 × 1,980,091.50
4. Step 4: Simplify right side
   1,372,555x = 3,920,762,348,372.25
5. Step 5: Solve for x
   x = 3,920,762,348,372.25/1,372,555
6. Step 6: Final answer
   x = 2,856,542.98