Finding the Third Proportional to 4,072,394 and 8,041,970

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072,394 : 8,041,970 = 8,041,970 : x
2. Step 2: Convert to fraction form
   4,072,394/8,041,970 = 8,041,970/x
3. Step 3: Cross multiply
   4,072,394x = 8,041,970 × 8,041,970
4. Step 4: Simplify right side
   4,072,394x = 64,673,281,480,900
5. Step 5: Solve for x
   x = 64,673,281,480,900/4,072,394
6. Step 6: Final answer
   x = 15,880,899.90