Finding the Third Proportional to 230,088 and 492,960

Step by Step Solution

1. Step 1: Write the proportion equation
   230,088 : 492,960 = 492,960 : x
2. Step 2: Convert to fraction form
   230,088/492,960 = 492,960/x
3. Step 3: Cross multiply
   230,088x = 492,960 × 492,960
4. Step 4: Simplify right side
   230,088x = 243,009,561,600
5. Step 5: Solve for x
   x = 243,009,561,600/230,088
6. Step 6: Final answer
   x = 1,056,159.22