Finding the Third Proportional to 89,726 and 130,413

Step by Step Solution

1. Step 1: Write the proportion equation
   89,726 : 130,413 = 130,413 : x
2. Step 2: Convert to fraction form
   89,726/130,413 = 130,413/x
3. Step 3: Cross multiply
   89,726x = 130,413 × 130,413
4. Step 4: Simplify right side
   89,726x = 17,007,550,569
5. Step 5: Solve for x
   x = 17,007,550,569/89,726
6. Step 6: Final answer
   x = 189,549.86