Finding the Third Proportional to 134,298 and 292,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,298 : 292,558.50 = 292,558.50 : x
2. Step 2: Convert to fraction form
   134,298/292,558.50 = 292,558.50/x
3. Step 3: Cross multiply
   134,298x = 292,558.50 × 292,558.50
4. Step 4: Simplify right side
   134,298x = 85,590,475,922.25
5. Step 5: Solve for x
   x = 85,590,475,922.25/134,298
6. Step 6: Final answer
   x = 637,317.58