Finding the Third Proportional to 357,132 and 762,698.63

Step by Step Solution

1. Step 1: Write the proportion equation
   357,132 : 762,698.63 = 762,698.63 : x
2. Step 2: Convert to fraction form
   357,132/762,698.63 = 762,698.63/x
3. Step 3: Cross multiply
   357,132x = 762,698.63 × 762,698.63
4. Step 4: Simplify right side
   357,132x = 581,709,192,576.89
5. Step 5: Solve for x
   x = 581,709,192,576.89/357,132
6. Step 6: Final answer
   x = 1,628,835.26