Finding the Third Proportional to 12,105,620 and 17,986,930

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105,620 : 17,986,930 = 17,986,930 : x
2. Step 2: Convert to fraction form
   12,105,620/17,986,930 = 17,986,930/x
3. Step 3: Cross multiply
   12,105,620x = 17,986,930 × 17,986,930
4. Step 4: Simplify right side
   12,105,620x = 323,529,650,824,900
5. Step 5: Solve for x
   x = 323,529,650,824,900/12,105,620
6. Step 6: Final answer
   x = 26,725,574.64