Finding the Third Proportional to 12,770,058 and 19,827,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,770,058 : 19,827,949.50 = 19,827,949.50 : x
2. Step 2: Convert to fraction form
   12,770,058/19,827,949.50 = 19,827,949.50/x
3. Step 3: Cross multiply
   12,770,058x = 19,827,949.50 × 19,827,949.50
4. Step 4: Simplify right side
   12,770,058x = 393,147,581,374,550.25
5. Step 5: Solve for x
   x = 393,147,581,374,550.25/12,770,058
6. Step 6: Final answer
   x = 30,786,671.55