Finding the Third Proportional to 58,402 and 90,327

Step by Step Solution

1. Step 1: Write the proportion equation
   58,402 : 90,327 = 90,327 : x
2. Step 2: Convert to fraction form
   58,402/90,327 = 90,327/x
3. Step 3: Cross multiply
   58,402x = 90,327 × 90,327
4. Step 4: Simplify right side
   58,402x = 8,158,966,929
5. Step 5: Solve for x
   x = 8,158,966,929/58,402
6. Step 6: Final answer
   x = 139,703.55