Finding the Third Proportional to 7,143,012 and 10,778,970

Step by Step Solution

1. Step 1: Write the proportion equation
   7,143,012 : 10,778,970 = 10,778,970 : x
2. Step 2: Convert to fraction form
   7,143,012/10,778,970 = 10,778,970/x
3. Step 3: Cross multiply
   7,143,012x = 10,778,970 × 10,778,970
4. Step 4: Simplify right side
   7,143,012x = 116,186,194,260,900
5. Step 5: Solve for x
   x = 116,186,194,260,900/7,143,012
6. Step 6: Final answer
   x = 16,265,714.56