Finding the Third Proportional to 70,616 and 147,040

Step by Step Solution

1. Step 1: Write the proportion equation
   70,616 : 147,040 = 147,040 : x
2. Step 2: Convert to fraction form
   70,616/147,040 = 147,040/x
3. Step 3: Cross multiply
   70,616x = 147,040 × 147,040
4. Step 4: Simplify right side
   70,616x = 21,620,761,600
5. Step 5: Solve for x
   x = 21,620,761,600/70,616
6. Step 6: Final answer
   x = 306,173.69