Finding the Third Proportional to 12,739,588 and 27,718,623

Step by Step Solution

1. Step 1: Write the proportion equation
   12,739,588 : 27,718,623 = 27,718,623 : x
2. Step 2: Convert to fraction form
   12,739,588/27,718,623 = 27,718,623/x
3. Step 3: Cross multiply
   12,739,588x = 27,718,623 × 27,718,623
4. Step 4: Simplify right side
   12,739,588x = 768,322,061,016,129
5. Step 5: Solve for x
   x = 768,322,061,016,129/12,739,588
6. Step 6: Final answer
   x = 60,309,804.45