Finding the Third Proportional to 109,076,354 and 173,645,811

Step by Step Solution

1. Step 1: Write the proportion equation
   109,076,354 : 173,645,811 = 173,645,811 : x
2. Step 2: Convert to fraction form
   109,076,354/173,645,811 = 173,645,811/x
3. Step 3: Cross multiply
   109,076,354x = 173,645,811 × 173,645,811
4. Step 4: Simplify right side
   109,076,354x = 30,152,867,677,847,720
5. Step 5: Solve for x
   x = 30,152,867,677,847,720/109,076,354
6. Step 6: Final answer
   x = 276,438,169.89