Finding the Third Proportional to 19,443,290 and 42,546,388

Step by Step Solution

1. Step 1: Write the proportion equation
   19,443,290 : 42,546,388 = 42,546,388 : x
2. Step 2: Convert to fraction form
   19,443,290/42,546,388 = 42,546,388/x
3. Step 3: Cross multiply
   19,443,290x = 42,546,388 × 42,546,388
4. Step 4: Simplify right side
   19,443,290x = 1,810,195,131,846,544
5. Step 5: Solve for x
   x = 1,810,195,131,846,544/19,443,290
6. Step 6: Final answer
   x = 93,101,277.19