Finding the Third Proportional to 353,887.50 and 764,088

Step by Step Solution

1. Step 1: Write the proportion equation
   353,887.50 : 764,088 = 764,088 : x
2. Step 2: Convert to fraction form
   353,887.50/764,088 = 764,088/x
3. Step 3: Cross multiply
   353,887.50x = 764,088 × 764,088
4. Step 4: Simplify right side
   353,887.50x = 583,830,471,744
5. Step 5: Solve for x
   x = 583,830,471,744/353,887.50
6. Step 6: Final answer
   x = 1,649,762.91