Finding the Third Proportional to 252,105,774 and 548,383,116

Step by Step Solution

1. Step 1: Write the proportion equation
   252,105,774 : 548,383,116 = 548,383,116 : x
2. Step 2: Convert to fraction form
   252,105,774/548,383,116 = 548,383,116/x
3. Step 3: Cross multiply
   252,105,774x = 548,383,116 × 548,383,116
4. Step 4: Simplify right side
   252,105,774x = 300,724,041,913,869,440
5. Step 5: Solve for x
   x = 300,724,041,913,869,440/252,105,774
6. Step 6: Final answer
   x = 1,192,848,688.64