Finding the Third Proportional to 58,062 and 89,712

Step by Step Solution

1. Step 1: Write the proportion equation
   58,062 : 89,712 = 89,712 : x
2. Step 2: Convert to fraction form
   58,062/89,712 = 89,712/x
3. Step 3: Cross multiply
   58,062x = 89,712 × 89,712
4. Step 4: Simplify right side
   58,062x = 8,048,242,944
5. Step 5: Solve for x
   x = 8,048,242,944/58,062
6. Step 6: Final answer
   x = 138,614.64