Finding the Third Proportional to 59,429 and 130,521

Step by Step Solution

1. Step 1: Write the proportion equation
   59,429 : 130,521 = 130,521 : x
2. Step 2: Convert to fraction form
   59,429/130,521 = 130,521/x
3. Step 3: Cross multiply
   59,429x = 130,521 × 130,521
4. Step 4: Simplify right side
   59,429x = 17,035,731,441
5. Step 5: Solve for x
   x = 17,035,731,441/59,429
6. Step 6: Final answer
   x = 286,656.88