Finding the Third Proportional to 70,594 and 139,396

Step by Step Solution

1. Step 1: Write the proportion equation
   70,594 : 139,396 = 139,396 : x
2. Step 2: Convert to fraction form
   70,594/139,396 = 139,396/x
3. Step 3: Cross multiply
   70,594x = 139,396 × 139,396
4. Step 4: Simplify right side
   70,594x = 19,431,244,816
5. Step 5: Solve for x
   x = 19,431,244,816/70,594
6. Step 6: Final answer
   x = 275,253.49