Finding the Third Proportional to 3,621,486 and 5,432,668

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,486 : 5,432,668 = 5,432,668 : x
2. Step 2: Convert to fraction form
   3,621,486/5,432,668 = 5,432,668/x
3. Step 3: Cross multiply
   3,621,486x = 5,432,668 × 5,432,668
4. Step 4: Simplify right side
   3,621,486x = 29,513,881,598,224
5. Step 5: Solve for x
   x = 29,513,881,598,224/3,621,486
6. Step 6: Final answer
   x = 8,149,660.55