Finding the Third Proportional to 52,786 and 70,509

Step by Step Solution

1. Step 1: Write the proportion equation
   52,786 : 70,509 = 70,509 : x
2. Step 2: Convert to fraction form
   52,786/70,509 = 70,509/x
3. Step 3: Cross multiply
   52,786x = 70,509 × 70,509
4. Step 4: Simplify right side
   52,786x = 4,971,519,081
5. Step 5: Solve for x
   x = 4,971,519,081/52,786
6. Step 6: Final answer
   x = 94,182.53