Finding the Third Proportional to 1,937,572 and 4,171,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,937,572 : 4,171,311 = 4,171,311 : x
2. Step 2: Convert to fraction form
   1,937,572/4,171,311 = 4,171,311/x
3. Step 3: Cross multiply
   1,937,572x = 4,171,311 × 4,171,311
4. Step 4: Simplify right side
   1,937,572x = 17,399,835,458,721
5. Step 5: Solve for x
   x = 17,399,835,458,721/1,937,572
6. Step 6: Final answer
   x = 8,980,226.52