Finding the Third Proportional to 12,761,620 and 19,615,436

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761,620 : 19,615,436 = 19,615,436 : x
2. Step 2: Convert to fraction form
   12,761,620/19,615,436 = 19,615,436/x
3. Step 3: Cross multiply
   12,761,620x = 19,615,436 × 19,615,436
4. Step 4: Simplify right side
   12,761,620x = 384,765,329,470,096
5. Step 5: Solve for x
   x = 384,765,329,470,096/12,761,620
6. Step 6: Final answer
   x = 30,150,194.84