Finding the Third Proportional to 12,653,288 and 19,609,132

Step by Step Solution

1. Step 1: Write the proportion equation
   12,653,288 : 19,609,132 = 19,609,132 : x
2. Step 2: Convert to fraction form
   12,653,288/19,609,132 = 19,609,132/x
3. Step 3: Cross multiply
   12,653,288x = 19,609,132 × 19,609,132
4. Step 4: Simplify right side
   12,653,288x = 384,518,057,793,424
5. Step 5: Solve for x
   x = 384,518,057,793,424/12,653,288
6. Step 6: Final answer
   x = 30,388,785.73