Finding the Third Proportional to 70,417.50 and 145,482

Step by Step Solution

1. Step 1: Write the proportion equation
   70,417.50 : 145,482 = 145,482 : x
2. Step 2: Convert to fraction form
   70,417.50/145,482 = 145,482/x
3. Step 3: Cross multiply
   70,417.50x = 145,482 × 145,482
4. Step 4: Simplify right side
   70,417.50x = 21,165,012,324
5. Step 5: Solve for x
   x = 21,165,012,324/70,417.50
6. Step 6: Final answer
   x = 300,564.67