Finding the Third Proportional to 10,793,400 and 17,622,780

Step by Step Solution

1. Step 1: Write the proportion equation
   10,793,400 : 17,622,780 = 17,622,780 : x
2. Step 2: Convert to fraction form
   10,793,400/17,622,780 = 17,622,780/x
3. Step 3: Cross multiply
   10,793,400x = 17,622,780 × 17,622,780
4. Step 4: Simplify right side
   10,793,400x = 310,562,374,928,400
5. Step 5: Solve for x
   x = 310,562,374,928,400/10,793,400
6. Step 6: Final answer
   x = 28,773,359.18