Finding the Third Proportional to 42,084.75 and 70,133.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.75 : 70,133.25 = 70,133.25 : x
2. Step 2: Convert to fraction form
   42,084.75/70,133.25 = 70,133.25/x
3. Step 3: Cross multiply
   42,084.75x = 70,133.25 × 70,133.25
4. Step 4: Simplify right side
   42,084.75x = 4,918,672,755.56
5. Step 5: Solve for x
   x = 4,918,672,755.56/42,084.75
6. Step 6: Final answer
   x = 116,875.42