Finding the Third Proportional to 58,476 and 90,710

Step by Step Solution

1. Step 1: Write the proportion equation
   58,476 : 90,710 = 90,710 : x
2. Step 2: Convert to fraction form
   58,476/90,710 = 90,710/x
3. Step 3: Cross multiply
   58,476x = 90,710 × 90,710
4. Step 4: Simplify right side
   58,476x = 8,228,304,100
5. Step 5: Solve for x
   x = 8,228,304,100/58,476
6. Step 6: Final answer
   x = 140,712.50