Finding the Third Proportional to 336,145.50 and 725,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,145.50 : 725,773.50 = 725,773.50 : x
2. Step 2: Convert to fraction form
   336,145.50/725,773.50 = 725,773.50/x
3. Step 3: Cross multiply
   336,145.50x = 725,773.50 × 725,773.50
4. Step 4: Simplify right side
   336,145.50x = 526,747,173,302.25
5. Step 5: Solve for x
   x = 526,747,173,302.25/336,145.50
6. Step 6: Final answer
   x = 1,567,021.34