Finding the Third Proportional to 8,372,479.50 and 12,607,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,372,479.50 : 12,607,726.50 = 12,607,726.50 : x
2. Step 2: Convert to fraction form
   8,372,479.50/12,607,726.50 = 12,607,726.50/x
3. Step 3: Cross multiply
   8,372,479.50x = 12,607,726.50 × 12,607,726.50
4. Step 4: Simplify right side
   8,372,479.50x = 158,954,767,498,802.25
5. Step 5: Solve for x
   x = 158,954,767,498,802.25/8,372,479.50
6. Step 6: Final answer
   x = 18,985,387.48