Finding the Third Proportional to 8,616,958 and 12,759,061

Step by Step Solution

1. Step 1: Write the proportion equation
   8,616,958 : 12,759,061 = 12,759,061 : x
2. Step 2: Convert to fraction form
   8,616,958/12,759,061 = 12,759,061/x
3. Step 3: Cross multiply
   8,616,958x = 12,759,061 × 12,759,061
4. Step 4: Simplify right side
   8,616,958x = 162,793,637,601,721
5. Step 5: Solve for x
   x = 162,793,637,601,721/8,616,958
6. Step 6: Final answer
   x = 18,892,239.88