Finding the Third Proportional to 8,900,566 and 18,272,978

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900,566 : 18,272,978 = 18,272,978 : x
2. Step 2: Convert to fraction form
   8,900,566/18,272,978 = 18,272,978/x
3. Step 3: Cross multiply
   8,900,566x = 18,272,978 × 18,272,978
4. Step 4: Simplify right side
   8,900,566x = 333,901,724,988,484
5. Step 5: Solve for x
   x = 333,901,724,988,484/8,900,566
6. Step 6: Final answer
   x = 37,514,661.99