Finding the Third Proportional to 42,089.50 and 70,141

Step by Step Solution

1. Step 1: Write the proportion equation
   42,089.50 : 70,141 = 70,141 : x
2. Step 2: Convert to fraction form
   42,089.50/70,141 = 70,141/x
3. Step 3: Cross multiply
   42,089.50x = 70,141 × 70,141
4. Step 4: Simplify right side
   42,089.50x = 4,919,759,881
5. Step 5: Solve for x
   x = 4,919,759,881/42,089.50
6. Step 6: Final answer
   x = 116,888.06