Finding the Third Proportional to 19,443,384 and 41,878,368

Step by Step Solution

1. Step 1: Write the proportion equation
   19,443,384 : 41,878,368 = 41,878,368 : x
2. Step 2: Convert to fraction form
   19,443,384/41,878,368 = 41,878,368/x
3. Step 3: Cross multiply
   19,443,384x = 41,878,368 × 41,878,368
4. Step 4: Simplify right side
   19,443,384x = 1,753,797,706,343,424
5. Step 5: Solve for x
   x = 1,753,797,706,343,424/19,443,384
6. Step 6: Final answer
   x = 90,200,229.87