Finding the Third Proportional to 349,650.56 and 764,300.91

Step by Step Solution

1. Step 1: Write the proportion equation
   349,650.56 : 764,300.91 = 764,300.91 : x
2. Step 2: Convert to fraction form
   349,650.56/764,300.91 = 764,300.91/x
3. Step 3: Cross multiply
   349,650.56x = 764,300.91 × 764,300.91
4. Step 4: Simplify right side
   349,650.56x = 584,155,875,294.57
5. Step 5: Solve for x
   x = 584,155,875,294.57/349,650.56
6. Step 6: Final answer
   x = 1,670,684.79