Finding the Third Proportional to 8,900,572 and 18,272,986

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900,572 : 18,272,986 = 18,272,986 : x
2. Step 2: Convert to fraction form
   8,900,572/18,272,986 = 18,272,986/x
3. Step 3: Cross multiply
   8,900,572x = 18,272,986 × 18,272,986
4. Step 4: Simplify right side
   8,900,572x = 333,902,017,356,196
5. Step 5: Solve for x
   x = 333,902,017,356,196/8,900,572
6. Step 6: Final answer
   x = 37,514,669.55