Finding the Third Proportional to 319,025.25 and 696,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   319,025.25 : 696,001.50 = 696,001.50 : x
2. Step 2: Convert to fraction form
   319,025.25/696,001.50 = 696,001.50/x
3. Step 3: Cross multiply
   319,025.25x = 696,001.50 × 696,001.50
4. Step 4: Simplify right side
   319,025.25x = 484,418,088,002.25
5. Step 5: Solve for x
   x = 484,418,088,002.25/319,025.25
6. Step 6: Final answer
   x = 1,518,431.81