Finding the Third Proportional to 142,117.03 and 306,775.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,117.03 : 306,775.69 = 306,775.69 : x
2. Step 2: Convert to fraction form
   142,117.03/306,775.69 = 306,775.69/x
3. Step 3: Cross multiply
   142,117.03x = 306,775.69 × 306,775.69
4. Step 4: Simplify right side
   142,117.03x = 94,111,322,441.10
5. Step 5: Solve for x
   x = 94,111,322,441.10/142,117.03
6. Step 6: Final answer
   x = 662,210.02