Finding the Third Proportional to 230,298.50 and 338,862

Step by Step Solution

1. Step 1: Write the proportion equation
   230,298.50 : 338,862 = 338,862 : x
2. Step 2: Convert to fraction form
   230,298.50/338,862 = 338,862/x
3. Step 3: Cross multiply
   230,298.50x = 338,862 × 338,862
4. Step 4: Simplify right side
   230,298.50x = 114,827,455,044
5. Step 5: Solve for x
   x = 114,827,455,044/230,298.50
6. Step 6: Final answer
   x = 498,602.70