Finding the Third Proportional to 146,326.50 and 316,164

Step by Step Solution

1. Step 1: Write the proportion equation
   146,326.50 : 316,164 = 316,164 : x
2. Step 2: Convert to fraction form
   146,326.50/316,164 = 316,164/x
3. Step 3: Cross multiply
   146,326.50x = 316,164 × 316,164
4. Step 4: Simplify right side
   146,326.50x = 99,959,674,896
5. Step 5: Solve for x
   x = 99,959,674,896/146,326.50
6. Step 6: Final answer
   x = 683,127.63