Finding the Third Proportional to 19,255,068 and 42,289,488

Step by Step Solution

1. Step 1: Write the proportion equation
   19,255,068 : 42,289,488 = 42,289,488 : x
2. Step 2: Convert to fraction form
   19,255,068/42,289,488 = 42,289,488/x
3. Step 3: Cross multiply
   19,255,068x = 42,289,488 × 42,289,488
4. Step 4: Simplify right side
   19,255,068x = 1,788,400,795,302,144
5. Step 5: Solve for x
   x = 1,788,400,795,302,144/19,255,068
6. Step 6: Final answer
   x = 92,879,484.78