Finding the Third Proportional to 57,637,121 and 123,511,578

Step by Step Solution

1. Step 1: Write the proportion equation
   57,637,121 : 123,511,578 = 123,511,578 : x
2. Step 2: Convert to fraction form
   57,637,121/123,511,578 = 123,511,578/x
3. Step 3: Cross multiply
   57,637,121x = 123,511,578 × 123,511,578
4. Step 4: Simplify right side
   57,637,121x = 15,255,109,900,050,084
5. Step 5: Solve for x
   x = 15,255,109,900,050,084/57,637,121
6. Step 6: Final answer
   x = 264,675,085.00