Finding the Third Proportional to 45,641 and 70,109

Step by Step Solution

1. Step 1: Write the proportion equation
   45,641 : 70,109 = 70,109 : x
2. Step 2: Convert to fraction form
   45,641/70,109 = 70,109/x
3. Step 3: Cross multiply
   45,641x = 70,109 × 70,109
4. Step 4: Simplify right side
   45,641x = 4,915,271,881
5. Step 5: Solve for x
   x = 4,915,271,881/45,641
6. Step 6: Final answer
   x = 107,694.22