Finding the Third Proportional to 58,788 and 89,412.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,788 : 89,412.75 = 89,412.75 : x
2. Step 2: Convert to fraction form
   58,788/89,412.75 = 89,412.75/x
3. Step 3: Cross multiply
   58,788x = 89,412.75 × 89,412.75
4. Step 4: Simplify right side
   58,788x = 7,994,639,862.56
5. Step 5: Solve for x
   x = 7,994,639,862.56/58,788
6. Step 6: Final answer
   x = 135,991.02