Finding the Third Proportional to 45,072 and 70,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,072 : 70,702.50 = 70,702.50 : x
2. Step 2: Convert to fraction form
   45,072/70,702.50 = 70,702.50/x
3. Step 3: Cross multiply
   45,072x = 70,702.50 × 70,702.50
4. Step 4: Simplify right side
   45,072x = 4,998,843,506.25
5. Step 5: Solve for x
   x = 4,998,843,506.25/45,072
6. Step 6: Final answer
   x = 110,907.96