Finding the Third Proportional to 140,232 and 210,140

Step by Step Solution

1. Step 1: Write the proportion equation
   140,232 : 210,140 = 210,140 : x
2. Step 2: Convert to fraction form
   140,232/210,140 = 210,140/x
3. Step 3: Cross multiply
   140,232x = 210,140 × 210,140
4. Step 4: Simplify right side
   140,232x = 44,158,819,600
5. Step 5: Solve for x
   x = 44,158,819,600/140,232
6. Step 6: Final answer
   x = 314,898.31