Finding the Third Proportional to 70,338.38 and 145,602.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,338.38 : 145,602.56 = 145,602.56 : x
2. Step 2: Convert to fraction form
   70,338.38/145,602.56 = 145,602.56/x
3. Step 3: Cross multiply
   70,338.38x = 145,602.56 × 145,602.56
4. Step 4: Simplify right side
   70,338.38x = 21,200,106,206.57
5. Step 5: Solve for x
   x = 21,200,106,206.57/70,338.38
6. Step 6: Final answer
   x = 301,401.71