Finding the Third Proportional to 38,425 and 58,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,425 : 58,803.50 = 58,803.50 : x
2. Step 2: Convert to fraction form
   38,425/58,803.50 = 58,803.50/x
3. Step 3: Cross multiply
   38,425x = 58,803.50 × 58,803.50
4. Step 4: Simplify right side
   38,425x = 3,457,851,612.25
5. Step 5: Solve for x
   x = 3,457,851,612.25/38,425
6. Step 6: Final answer
   x = 89,989.63