Finding the Third Proportional to 8,900,574 and 18,272,991

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900,574 : 18,272,991 = 18,272,991 : x
2. Step 2: Convert to fraction form
   8,900,574/18,272,991 = 18,272,991/x
3. Step 3: Cross multiply
   8,900,574x = 18,272,991 × 18,272,991
4. Step 4: Simplify right side
   8,900,574x = 333,902,200,086,081
5. Step 5: Solve for x
   x = 333,902,200,086,081/8,900,574
6. Step 6: Final answer
   x = 37,514,681.65