Finding the Third Proportional to 58,394 and 90,314

Step by Step Solution

1. Step 1: Write the proportion equation
   58,394 : 90,314 = 90,314 : x
2. Step 2: Convert to fraction form
   58,394/90,314 = 90,314/x
3. Step 3: Cross multiply
   58,394x = 90,314 × 90,314
4. Step 4: Simplify right side
   58,394x = 8,156,618,596
5. Step 5: Solve for x
   x = 8,156,618,596/58,394
6. Step 6: Final answer
   x = 139,682.48