Finding the Third Proportional to 9,042,648 and 13,656,132

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042,648 : 13,656,132 = 13,656,132 : x
2. Step 2: Convert to fraction form
   9,042,648/13,656,132 = 13,656,132/x
3. Step 3: Cross multiply
   9,042,648x = 13,656,132 × 13,656,132
4. Step 4: Simplify right side
   9,042,648x = 186,489,941,201,424
5. Step 5: Solve for x
   x = 186,489,941,201,424/9,042,648
6. Step 6: Final answer
   x = 20,623,377.27