Finding the Third Proportional to 357,699 and 484,060

Step by Step Solution

1. Step 1: Write the proportion equation
   357,699 : 484,060 = 484,060 : x
2. Step 2: Convert to fraction form
   357,699/484,060 = 484,060/x
3. Step 3: Cross multiply
   357,699x = 484,060 × 484,060
4. Step 4: Simplify right side
   357,699x = 234,314,083,600
5. Step 5: Solve for x
   x = 234,314,083,600/357,699
6. Step 6: Final answer
   x = 655,059.38