Finding the Third Proportional to 117,543,876 and 274,484,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,543,876 : 274,484,188.50 = 274,484,188.50 : x
2. Step 2: Convert to fraction form
   117,543,876/274,484,188.50 = 274,484,188.50/x
3. Step 3: Cross multiply
   117,543,876x = 274,484,188.50 × 274,484,188.50
4. Step 4: Simplify right side
   117,543,876x = 75,341,569,736,503,536
5. Step 5: Solve for x
   x = 75,341,569,736,503,536/117,543,876
6. Step 6: Final answer
   x = 640,965,504.12