Finding the Third Proportional to 58,492 and 90,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,492 : 90,487.50 = 90,487.50 : x
2. Step 2: Convert to fraction form
   58,492/90,487.50 = 90,487.50/x
3. Step 3: Cross multiply
   58,492x = 90,487.50 × 90,487.50
4. Step 4: Simplify right side
   58,492x = 8,187,987,656.25
5. Step 5: Solve for x
   x = 8,187,987,656.25/58,492
6. Step 6: Final answer
   x = 139,984.74