Finding the Third Proportional to 12,771,666 and 19,290,168

Step by Step Solution

1. Step 1: Write the proportion equation
   12,771,666 : 19,290,168 = 19,290,168 : x
2. Step 2: Convert to fraction form
   12,771,666/19,290,168 = 19,290,168/x
3. Step 3: Cross multiply
   12,771,666x = 19,290,168 × 19,290,168
4. Step 4: Simplify right side
   12,771,666x = 372,110,581,468,224
5. Step 5: Solve for x
   x = 372,110,581,468,224/12,771,666
6. Step 6: Final answer
   x = 29,135,633.63