Finding the Third Proportional to 357,615 and 765,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,615 : 765,004.50 = 765,004.50 : x
2. Step 2: Convert to fraction form
   357,615/765,004.50 = 765,004.50/x
3. Step 3: Cross multiply
   357,615x = 765,004.50 × 765,004.50
4. Step 4: Simplify right side
   357,615x = 585,231,885,020.25
5. Step 5: Solve for x
   x = 585,231,885,020.25/357,615
6. Step 6: Final answer
   x = 1,636,485.84