Finding the Third Proportional to 8,131,280 and 17,382,688

Step by Step Solution

1. Step 1: Write the proportion equation
   8,131,280 : 17,382,688 = 17,382,688 : x
2. Step 2: Convert to fraction form
   8,131,280/17,382,688 = 17,382,688/x
3. Step 3: Cross multiply
   8,131,280x = 17,382,688 × 17,382,688
4. Step 4: Simplify right side
   8,131,280x = 302,157,842,105,344
5. Step 5: Solve for x
   x = 302,157,842,105,344/8,131,280
6. Step 6: Final answer
   x = 37,159,935.72