Finding the Third Proportional to 6,424,432 and 8,564,856

Step by Step Solution

1. Step 1: Write the proportion equation
   6,424,432 : 8,564,856 = 8,564,856 : x
2. Step 2: Convert to fraction form
   6,424,432/8,564,856 = 8,564,856/x
3. Step 3: Cross multiply
   6,424,432x = 8,564,856 × 8,564,856
4. Step 4: Simplify right side
   6,424,432x = 73,356,758,300,736
5. Step 5: Solve for x
   x = 73,356,758,300,736/6,424,432
6. Step 6: Final answer
   x = 11,418,403.73