Finding the Third Proportional to 142,735.92 and 310,075.59

Step by Step Solution

1. Step 1: Write the proportion equation
   142,735.92 : 310,075.59 = 310,075.59 : x
2. Step 2: Convert to fraction form
   142,735.92/310,075.59 = 310,075.59/x
3. Step 3: Cross multiply
   142,735.92x = 310,075.59 × 310,075.59
4. Step 4: Simplify right side
   142,735.92x = 96,146,873,839.42
5. Step 5: Solve for x
   x = 96,146,873,839.42/142,735.92
6. Step 6: Final answer
   x = 673,599.70