Finding the Third Proportional to 308,391 and 476,593.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,391 : 476,593.50 = 476,593.50 : x
2. Step 2: Convert to fraction form
   308,391/476,593.50 = 476,593.50/x
3. Step 3: Cross multiply
   308,391x = 476,593.50 × 476,593.50
4. Step 4: Simplify right side
   308,391x = 227,141,364,242.25
5. Step 5: Solve for x
   x = 227,141,364,242.25/308,391
6. Step 6: Final answer
   x = 736,536.94