Finding the Third Proportional to 140,312 and 298,152

Step by Step Solution

1. Step 1: Write the proportion equation
   140,312 : 298,152 = 298,152 : x
2. Step 2: Convert to fraction form
   140,312/298,152 = 298,152/x
3. Step 3: Cross multiply
   140,312x = 298,152 × 298,152
4. Step 4: Simplify right side
   140,312x = 88,894,615,104
5. Step 5: Solve for x
   x = 88,894,615,104/140,312
6. Step 6: Final answer
   x = 633,549.63