Finding the Third Proportional to 9,090,780 and 19,623,648

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,780 : 19,623,648 = 19,623,648 : x
2. Step 2: Convert to fraction form
   9,090,780/19,623,648 = 19,623,648/x
3. Step 3: Cross multiply
   9,090,780x = 19,623,648 × 19,623,648
4. Step 4: Simplify right side
   9,090,780x = 385,087,560,827,904
5. Step 5: Solve for x
   x = 385,087,560,827,904/9,090,780
6. Step 6: Final answer
   x = 42,360,233.21