Finding the Third Proportional to 134,835 and 299,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,835 : 299,599.50 = 299,599.50 : x
2. Step 2: Convert to fraction form
   134,835/299,599.50 = 299,599.50/x
3. Step 3: Cross multiply
   134,835x = 299,599.50 × 299,599.50
4. Step 4: Simplify right side
   134,835x = 89,759,860,400.25
5. Step 5: Solve for x
   x = 89,759,860,400.25/134,835
6. Step 6: Final answer
   x = 665,701.49