Finding the Third Proportional to 319,253 and 464,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   319,253 : 464,839.50 = 464,839.50 : x
2. Step 2: Convert to fraction form
   319,253/464,839.50 = 464,839.50/x
3. Step 3: Cross multiply
   319,253x = 464,839.50 × 464,839.50
4. Step 4: Simplify right side
   319,253x = 216,075,760,760.25
5. Step 5: Solve for x
   x = 216,075,760,760.25/319,253
6. Step 6: Final answer
   x = 676,816.70