Finding the Third Proportional to 19,442,962 and 42,545,780

Step by Step Solution

1. Step 1: Write the proportion equation
   19,442,962 : 42,545,780 = 42,545,780 : x
2. Step 2: Convert to fraction form
   19,442,962/42,545,780 = 42,545,780/x
3. Step 3: Cross multiply
   19,442,962x = 42,545,780 × 42,545,780
4. Step 4: Simplify right side
   19,442,962x = 1,810,143,395,808,400
5. Step 5: Solve for x
   x = 1,810,143,395,808,400/19,442,962
6. Step 6: Final answer
   x = 93,100,186.89