Finding the Third Proportional to 19,765,560 and 42,680,400

Step by Step Solution

1. Step 1: Write the proportion equation
   19,765,560 : 42,680,400 = 42,680,400 : x
2. Step 2: Convert to fraction form
   19,765,560/42,680,400 = 42,680,400/x
3. Step 3: Cross multiply
   19,765,560x = 42,680,400 × 42,680,400
4. Step 4: Simplify right side
   19,765,560x = 1,821,616,544,160,000
5. Step 5: Solve for x
   x = 1,821,616,544,160,000/19,765,560
6. Step 6: Final answer
   x = 92,161,140.09