Finding the Third Proportional to 4,505,176 and 9,329,732

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505,176 : 9,329,732 = 9,329,732 : x
2. Step 2: Convert to fraction form
   4,505,176/9,329,732 = 9,329,732/x
3. Step 3: Cross multiply
   4,505,176x = 9,329,732 × 9,329,732
4. Step 4: Simplify right side
   4,505,176x = 87,043,899,191,824
5. Step 5: Solve for x
   x = 87,043,899,191,824/4,505,176
6. Step 6: Final answer
   x = 19,320,865.42