Finding the Third Proportional to 45,870 and 70,119

Step by Step Solution

1. Step 1: Write the proportion equation
   45,870 : 70,119 = 70,119 : x
2. Step 2: Convert to fraction form
   45,870/70,119 = 70,119/x
3. Step 3: Cross multiply
   45,870x = 70,119 × 70,119
4. Step 4: Simplify right side
   45,870x = 4,916,674,161
5. Step 5: Solve for x
   x = 4,916,674,161/45,870
6. Step 6: Final answer
   x = 107,187.14