Finding the Third Proportional to 59,470 and 130,603

Step by Step Solution

1. Step 1: Write the proportion equation
   59,470 : 130,603 = 130,603 : x
2. Step 2: Convert to fraction form
   59,470/130,603 = 130,603/x
3. Step 3: Cross multiply
   59,470x = 130,603 × 130,603
4. Step 4: Simplify right side
   59,470x = 17,057,143,609
5. Step 5: Solve for x
   x = 17,057,143,609/59,470
6. Step 6: Final answer
   x = 286,819.30