Finding the Third Proportional to 3,973,776 and 8,582,736

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,776 : 8,582,736 = 8,582,736 : x
2. Step 2: Convert to fraction form
   3,973,776/8,582,736 = 8,582,736/x
3. Step 3: Cross multiply
   3,973,776x = 8,582,736 × 8,582,736
4. Step 4: Simplify right side
   3,973,776x = 73,663,357,245,696
5. Step 5: Solve for x
   x = 73,663,357,245,696/3,973,776
6. Step 6: Final answer
   x = 18,537,370.31