Finding the Third Proportional to 8,377,705.50 and 18,078,637.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,377,705.50 : 18,078,637.50 = 18,078,637.50 : x
2. Step 2: Convert to fraction form
   8,377,705.50/18,078,637.50 = 18,078,637.50/x
3. Step 3: Cross multiply
   8,377,705.50x = 18,078,637.50 × 18,078,637.50
4. Step 4: Simplify right side
   8,377,705.50x = 326,837,133,856,406.25
5. Step 5: Solve for x
   x = 326,837,133,856,406.25/8,377,705.50
6. Step 6: Final answer
   x = 39,012,726.56