Finding the Third Proportional to 8,565,508 and 12,920,838

Step by Step Solution

1. Step 1: Write the proportion equation
   8,565,508 : 12,920,838 = 12,920,838 : x
2. Step 2: Convert to fraction form
   8,565,508/12,920,838 = 12,920,838/x
3. Step 3: Cross multiply
   8,565,508x = 12,920,838 × 12,920,838
4. Step 4: Simplify right side
   8,565,508x = 166,948,054,622,244
5. Step 5: Solve for x
   x = 166,948,054,622,244/8,565,508
6. Step 6: Final answer
   x = 19,490,735.94