Finding the Third Proportional to 5,590,289 and 8,352,012

Step by Step Solution

1. Step 1: Write the proportion equation
   5,590,289 : 8,352,012 = 8,352,012 : x
2. Step 2: Convert to fraction form
   5,590,289/8,352,012 = 8,352,012/x
3. Step 3: Cross multiply
   5,590,289x = 8,352,012 × 8,352,012
4. Step 4: Simplify right side
   5,590,289x = 69,756,104,448,144
5. Step 5: Solve for x
   x = 69,756,104,448,144/5,590,289
6. Step 6: Final answer
   x = 12,478,085.56