Finding the Third Proportional to 301,987.50 and 657,114

Step by Step Solution

1. Step 1: Write the proportion equation
   301,987.50 : 657,114 = 657,114 : x
2. Step 2: Convert to fraction form
   301,987.50/657,114 = 657,114/x
3. Step 3: Cross multiply
   301,987.50x = 657,114 × 657,114
4. Step 4: Simplify right side
   301,987.50x = 431,798,808,996
5. Step 5: Solve for x
   x = 431,798,808,996/301,987.50
6. Step 6: Final answer
   x = 1,429,856.56