Finding the Third Proportional to 336,139.50 and 703,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,139.50 : 703,444.50 = 703,444.50 : x
2. Step 2: Convert to fraction form
   336,139.50/703,444.50 = 703,444.50/x
3. Step 3: Cross multiply
   336,139.50x = 703,444.50 × 703,444.50
4. Step 4: Simplify right side
   336,139.50x = 494,834,164,580.25
5. Step 5: Solve for x
   x = 494,834,164,580.25/336,139.50
6. Step 6: Final answer
   x = 1,472,109.54