Finding the Third Proportional to 142,637.63 and 301,192.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,637.63 : 301,192.50 = 301,192.50 : x
2. Step 2: Convert to fraction form
   142,637.63/301,192.50 = 301,192.50/x
3. Step 3: Cross multiply
   142,637.63x = 301,192.50 × 301,192.50
4. Step 4: Simplify right side
   142,637.63x = 90,716,922,056.25
5. Step 5: Solve for x
   x = 90,716,922,056.25/142,637.63
6. Step 6: Final answer
   x = 635,995.74