Finding the Third Proportional to 51,146,678 and 109,548,364

Step by Step Solution

1. Step 1: Write the proportion equation
   51,146,678 : 109,548,364 = 109,548,364 : x
2. Step 2: Convert to fraction form
   51,146,678/109,548,364 = 109,548,364/x
3. Step 3: Cross multiply
   51,146,678x = 109,548,364 × 109,548,364
4. Step 4: Simplify right side
   51,146,678x = 12,000,844,055,076,496
5. Step 5: Solve for x
   x = 12,000,844,055,076,496/51,146,678
6. Step 6: Final answer
   x = 234,635,845.85