Finding the Third Proportional to 57,543,554 and 123,294,910

Step by Step Solution

1. Step 1: Write the proportion equation
   57,543,554 : 123,294,910 = 123,294,910 : x
2. Step 2: Convert to fraction form
   57,543,554/123,294,910 = 123,294,910/x
3. Step 3: Cross multiply
   57,543,554x = 123,294,910 × 123,294,910
4. Step 4: Simplify right side
   57,543,554x = 15,201,634,831,908,100
5. Step 5: Solve for x
   x = 15,201,634,831,908,100/57,543,554
6. Step 6: Final answer
   x = 264,176,154.85