Finding the Third Proportional to 8,563,641 and 12,372,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,563,641 : 12,372,970.50 = 12,372,970.50 : x
2. Step 2: Convert to fraction form
   8,563,641/12,372,970.50 = 12,372,970.50/x
3. Step 3: Cross multiply
   8,563,641x = 12,372,970.50 × 12,372,970.50
4. Step 4: Simplify right side
   8,563,641x = 153,090,398,993,870.25
5. Step 5: Solve for x
   x = 153,090,398,993,870.25/8,563,641
6. Step 6: Final answer
   x = 17,876,788.51