Finding the Third Proportional to 12,615,588 and 19,172,700

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615,588 : 19,172,700 = 19,172,700 : x
2. Step 2: Convert to fraction form
   12,615,588/19,172,700 = 19,172,700/x
3. Step 3: Cross multiply
   12,615,588x = 19,172,700 × 19,172,700
4. Step 4: Simplify right side
   12,615,588x = 367,592,425,290,000
5. Step 5: Solve for x
   x = 367,592,425,290,000/12,615,588
6. Step 6: Final answer
   x = 29,137,954.20