Finding the Third Proportional to 171,911,916 and 371,048,436

Step by Step Solution

1. Step 1: Write the proportion equation
   171,911,916 : 371,048,436 = 371,048,436 : x
2. Step 2: Convert to fraction form
   171,911,916/371,048,436 = 371,048,436/x
3. Step 3: Cross multiply
   171,911,916x = 371,048,436 × 371,048,436
4. Step 4: Simplify right side
   171,911,916x = 137,676,941,858,046,096
5. Step 5: Solve for x
   x = 137,676,941,858,046,096/171,911,916
6. Step 6: Final answer
   x = 800,857,468.53