Finding the Third Proportional to 70,278 and 111,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,278 : 111,673.50 = 111,673.50 : x
2. Step 2: Convert to fraction form
   70,278/111,673.50 = 111,673.50/x
3. Step 3: Cross multiply
   70,278x = 111,673.50 × 111,673.50
4. Step 4: Simplify right side
   70,278x = 12,470,970,602.25
5. Step 5: Solve for x
   x = 12,470,970,602.25/70,278
6. Step 6: Final answer
   x = 177,451.99