Finding the Third Proportional to 57,037,401 and 123,167,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,037,401 : 123,167,128.50 = 123,167,128.50 : x
2. Step 2: Convert to fraction form
   57,037,401/123,167,128.50 = 123,167,128.50/x
3. Step 3: Cross multiply
   57,037,401x = 123,167,128.50 × 123,167,128.50
4. Step 4: Simplify right side
   57,037,401x = 15,170,141,542,935,512
5. Step 5: Solve for x
   x = 15,170,141,542,935,512/57,037,401
6. Step 6: Final answer
   x = 265,968,316.88