Finding the Third Proportional to 35,912 and 78,112

Step by Step Solution

1. Step 1: Write the proportion equation
   35,912 : 78,112 = 78,112 : x
2. Step 2: Convert to fraction form
   35,912/78,112 = 78,112/x
3. Step 3: Cross multiply
   35,912x = 78,112 × 78,112
4. Step 4: Simplify right side
   35,912x = 6,101,484,544
5. Step 5: Solve for x
   x = 6,101,484,544/35,912
6. Step 6: Final answer
   x = 169,901.00