Finding the Third Proportional to 318,735 and 695,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   318,735 : 695,425.50 = 695,425.50 : x
2. Step 2: Convert to fraction form
   318,735/695,425.50 = 695,425.50/x
3. Step 3: Cross multiply
   318,735x = 695,425.50 × 695,425.50
4. Step 4: Simplify right side
   318,735x = 483,616,626,050.25
5. Step 5: Solve for x
   x = 483,616,626,050.25/318,735
6. Step 6: Final answer
   x = 1,517,300.03