Finding the Third Proportional to 7,142,884 and 10,778,730

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142,884 : 10,778,730 = 10,778,730 : x
2. Step 2: Convert to fraction form
   7,142,884/10,778,730 = 10,778,730/x
3. Step 3: Cross multiply
   7,142,884x = 10,778,730 × 10,778,730
4. Step 4: Simplify right side
   7,142,884x = 116,181,020,412,900
5. Step 5: Solve for x
   x = 116,181,020,412,900/7,142,884
6. Step 6: Final answer
   x = 16,265,281.70