Finding the Third Proportional to 57,543,939 and 123,275,358

Step by Step Solution

1. Step 1: Write the proportion equation
   57,543,939 : 123,275,358 = 123,275,358 : x
2. Step 2: Convert to fraction form
   57,543,939/123,275,358 = 123,275,358/x
3. Step 3: Cross multiply
   57,543,939x = 123,275,358 × 123,275,358
4. Step 4: Simplify right side
   57,543,939x = 15,196,813,890,028,164
5. Step 5: Solve for x
   x = 15,196,813,890,028,164/57,543,939
6. Step 6: Final answer
   x = 264,090,608.92