Finding the Third Proportional to 42,443,851 and 90,938,378

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,851 : 90,938,378 = 90,938,378 : x
2. Step 2: Convert to fraction form
   42,443,851/90,938,378 = 90,938,378/x
3. Step 3: Cross multiply
   42,443,851x = 90,938,378 × 90,938,378
4. Step 4: Simplify right side
   42,443,851x = 8,269,788,593,270,884
5. Step 5: Solve for x
   x = 8,269,788,593,270,884/42,443,851
6. Step 6: Final answer
   x = 194,840,675.35