Finding the Third Proportional to 316,523.50 and 732,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,523.50 : 732,123.50 = 732,123.50 : x
2. Step 2: Convert to fraction form
   316,523.50/732,123.50 = 732,123.50/x
3. Step 3: Cross multiply
   316,523.50x = 732,123.50 × 732,123.50
4. Step 4: Simplify right side
   316,523.50x = 536,004,819,252.25
5. Step 5: Solve for x
   x = 536,004,819,252.25/316,523.50
6. Step 6: Final answer
   x = 1,693,412.40