Finding the Third Proportional to 141,372 and 308,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,372 : 308,146.50 = 308,146.50 : x
2. Step 2: Convert to fraction form
   141,372/308,146.50 = 308,146.50/x
3. Step 3: Cross multiply
   141,372x = 308,146.50 × 308,146.50
4. Step 4: Simplify right side
   141,372x = 94,954,265,462.25
5. Step 5: Solve for x
   x = 94,954,265,462.25/141,372
6. Step 6: Final answer
   x = 671,662.46