Finding the Third Proportional to 120,157,584 and 246,685,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,157,584 : 246,685,081.50 = 246,685,081.50 : x
2. Step 2: Convert to fraction form
   120,157,584/246,685,081.50 = 246,685,081.50/x
3. Step 3: Cross multiply
   120,157,584x = 246,685,081.50 × 246,685,081.50
4. Step 4: Simplify right side
   120,157,584x = 60,853,529,434,661,640
5. Step 5: Solve for x
   x = 60,853,529,434,661,640/120,157,584
6. Step 6: Final answer
   x = 506,447,678.20