Finding the Third Proportional to 70,502 and 152,620

Step by Step Solution

1. Step 1: Write the proportion equation
   70,502 : 152,620 = 152,620 : x
2. Step 2: Convert to fraction form
   70,502/152,620 = 152,620/x
3. Step 3: Cross multiply
   70,502x = 152,620 × 152,620
4. Step 4: Simplify right side
   70,502x = 23,292,864,400
5. Step 5: Solve for x
   x = 23,292,864,400/70,502
6. Step 6: Final answer
   x = 330,385.87