Finding the Third Proportional to 12,294,648 and 19,754,172

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294,648 : 19,754,172 = 19,754,172 : x
2. Step 2: Convert to fraction form
   12,294,648/19,754,172 = 19,754,172/x
3. Step 3: Cross multiply
   12,294,648x = 19,754,172 × 19,754,172
4. Step 4: Simplify right side
   12,294,648x = 390,227,311,405,584
5. Step 5: Solve for x
   x = 390,227,311,405,584/12,294,648
6. Step 6: Final answer
   x = 31,739,608.28