Finding the Third Proportional to 3,680,489 and 8,043,322

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680,489 : 8,043,322 = 8,043,322 : x
2. Step 2: Convert to fraction form
   3,680,489/8,043,322 = 8,043,322/x
3. Step 3: Cross multiply
   3,680,489x = 8,043,322 × 8,043,322
4. Step 4: Simplify right side
   3,680,489x = 64,695,028,795,684
5. Step 5: Solve for x
   x = 64,695,028,795,684/3,680,489
6. Step 6: Final answer
   x = 17,577,835.12