Finding the Third Proportional to 57,543,291 and 123,294,390

Step by Step Solution

1. Step 1: Write the proportion equation
   57,543,291 : 123,294,390 = 123,294,390 : x
2. Step 2: Convert to fraction form
   57,543,291/123,294,390 = 123,294,390/x
3. Step 3: Cross multiply
   57,543,291x = 123,294,390 × 123,294,390
4. Step 4: Simplify right side
   57,543,291x = 15,201,506,605,472,100
5. Step 5: Solve for x
   x = 15,201,506,605,472,100/57,543,291
6. Step 6: Final answer
   x = 264,175,133.91