Finding the Third Proportional to 277,555,320 and 617,151,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   277,555,320 : 617,151,092.25 = 617,151,092.25 : x
2. Step 2: Convert to fraction form
   277,555,320/617,151,092.25 = 617,151,092.25/x
3. Step 3: Cross multiply
   277,555,320x = 617,151,092.25 × 617,151,092.25
4. Step 4: Simplify right side
   277,555,320x = 380,875,470,665,368,000
5. Step 5: Solve for x
   x = 380,875,470,665,368,000/277,555,320
6. Step 6: Final answer
   x = 1,372,250,658.59