Finding the Third Proportional to 3,668,168 and 8,631,046

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668,168 : 8,631,046 = 8,631,046 : x
2. Step 2: Convert to fraction form
   3,668,168/8,631,046 = 8,631,046/x
3. Step 3: Cross multiply
   3,668,168x = 8,631,046 × 8,631,046
4. Step 4: Simplify right side
   3,668,168x = 74,494,955,054,116
5. Step 5: Solve for x
   x = 74,494,955,054,116/3,668,168
6. Step 6: Final answer
   x = 20,308,490.52