Finding the Third Proportional to 3,973,782 and 8,582,748

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973,782 : 8,582,748 = 8,582,748 : x
2. Step 2: Convert to fraction form
   3,973,782/8,582,748 = 8,582,748/x
3. Step 3: Cross multiply
   3,973,782x = 8,582,748 × 8,582,748
4. Step 4: Simplify right side
   3,973,782x = 73,663,563,231,504
5. Step 5: Solve for x
   x = 73,663,563,231,504/3,973,782
6. Step 6: Final answer
   x = 18,537,394.16