Finding the Third Proportional to 57,506,578 and 123,781,936

Step by Step Solution

1. Step 1: Write the proportion equation
   57,506,578 : 123,781,936 = 123,781,936 : x
2. Step 2: Convert to fraction form
   57,506,578/123,781,936 = 123,781,936/x
3. Step 3: Cross multiply
   57,506,578x = 123,781,936 × 123,781,936
4. Step 4: Simplify right side
   57,506,578x = 15,321,967,679,908,096
5. Step 5: Solve for x
   x = 15,321,967,679,908,096/57,506,578
6. Step 6: Final answer
   x = 266,438,522.56