Finding the Third Proportional to 9,090,155 and 19,890,706

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,155 : 19,890,706 = 19,890,706 : x
2. Step 2: Convert to fraction form
   9,090,155/19,890,706 = 19,890,706/x
3. Step 3: Cross multiply
   9,090,155x = 19,890,706 × 19,890,706
4. Step 4: Simplify right side
   9,090,155x = 395,640,185,178,436
5. Step 5: Solve for x
   x = 395,640,185,178,436/9,090,155
6. Step 6: Final answer
   x = 43,524,030.69