Finding the Third Proportional to 89,079 and 130,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,079 : 130,702.50 = 130,702.50 : x
2. Step 2: Convert to fraction form
   89,079/130,702.50 = 130,702.50/x
3. Step 3: Cross multiply
   89,079x = 130,702.50 × 130,702.50
4. Step 4: Simplify right side
   89,079x = 17,083,143,506.25
5. Step 5: Solve for x
   x = 17,083,143,506.25/89,079
6. Step 6: Final answer
   x = 191,775.21