Finding the Third Proportional to 109,076,372 and 173,645,838

Step by Step Solution

1. Step 1: Write the proportion equation
   109,076,372 : 173,645,838 = 173,645,838 : x
2. Step 2: Convert to fraction form
   109,076,372/173,645,838 = 173,645,838/x
3. Step 3: Cross multiply
   109,076,372x = 173,645,838 × 173,645,838
4. Step 4: Simplify right side
   109,076,372x = 30,152,877,054,722,244
5. Step 5: Solve for x
   x = 30,152,877,054,722,244/109,076,372
6. Step 6: Final answer
   x = 276,438,210.24