Finding the Third Proportional to 344,781 and 731,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   344,781 : 731,029.50 = 731,029.50 : x
2. Step 2: Convert to fraction form
   344,781/731,029.50 = 731,029.50/x
3. Step 3: Cross multiply
   344,781x = 731,029.50 × 731,029.50
4. Step 4: Simplify right side
   344,781x = 534,404,129,870.25
5. Step 5: Solve for x
   x = 534,404,129,870.25/344,781
6. Step 6: Final answer
   x = 1,549,981.38