Finding the Third Proportional to 3,684,532 and 8,685,346

Step by Step Solution

1. Step 1: Write the proportion equation
   3,684,532 : 8,685,346 = 8,685,346 : x
2. Step 2: Convert to fraction form
   3,684,532/8,685,346 = 8,685,346/x
3. Step 3: Cross multiply
   3,684,532x = 8,685,346 × 8,685,346
4. Step 4: Simplify right side
   3,684,532x = 75,435,235,139,716
5. Step 5: Solve for x
   x = 75,435,235,139,716/3,684,532
6. Step 6: Final answer
   x = 20,473,491.65