Finding the Third Proportional to 1,959,620.50 and 3,997,970

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959,620.50 : 3,997,970 = 3,997,970 : x
2. Step 2: Convert to fraction form
   1,959,620.50/3,997,970 = 3,997,970/x
3. Step 3: Cross multiply
   1,959,620.50x = 3,997,970 × 3,997,970
4. Step 4: Simplify right side
   1,959,620.50x = 15,983,764,120,900
5. Step 5: Solve for x
   x = 15,983,764,120,900/1,959,620.50
6. Step 6: Final answer
   x = 8,156,560.99