Finding the Third Proportional to 4,092,564 and 8,911,709

Step by Step Solution

1. Step 1: Write the proportion equation
   4,092,564 : 8,911,709 = 8,911,709 : x
2. Step 2: Convert to fraction form
   4,092,564/8,911,709 = 8,911,709/x
3. Step 3: Cross multiply
   4,092,564x = 8,911,709 × 8,911,709
4. Step 4: Simplify right side
   4,092,564x = 79,418,557,300,681
5. Step 5: Solve for x
   x = 79,418,557,300,681/4,092,564
6. Step 6: Final answer
   x = 19,405,574.92