Finding the Third Proportional to 17,678,776.50 and 27,275,155.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,678,776.50 : 27,275,155.31 = 27,275,155.31 : x
2. Step 2: Convert to fraction form
   17,678,776.50/27,275,155.31 = 27,275,155.31/x
3. Step 3: Cross multiply
   17,678,776.50x = 27,275,155.31 × 27,275,155.31
4. Step 4: Simplify right side
   17,678,776.50x = 743,934,097,320,997
5. Step 5: Solve for x
   x = 743,934,097,320,997/17,678,776.50
6. Step 6: Final answer
   x = 42,080,632.52