Finding the Third Proportional to 70,146.50 and 105,300.75

Step by Step Solution

1. Step 1: Write the proportion equation
   70,146.50 : 105,300.75 = 105,300.75 : x
2. Step 2: Convert to fraction form
   70,146.50/105,300.75 = 105,300.75/x
3. Step 3: Cross multiply
   70,146.50x = 105,300.75 × 105,300.75
4. Step 4: Simplify right side
   70,146.50x = 11,088,247,950.56
5. Step 5: Solve for x
   x = 11,088,247,950.56/70,146.50
6. Step 6: Final answer
   x = 158,072.72