Finding the Third Proportional to 58,842 and 90,029.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,842 : 90,029.25 = 90,029.25 : x
2. Step 2: Convert to fraction form
   58,842/90,029.25 = 90,029.25/x
3. Step 3: Cross multiply
   58,842x = 90,029.25 × 90,029.25
4. Step 4: Simplify right side
   58,842x = 8,105,265,855.56
5. Step 5: Solve for x
   x = 8,105,265,855.56/58,842
6. Step 6: Final answer
   x = 137,746.27