Finding the Third Proportional to 272,308.50 and 629,370

Step by Step Solution

1. Step 1: Write the proportion equation
   272,308.50 : 629,370 = 629,370 : x
2. Step 2: Convert to fraction form
   272,308.50/629,370 = 629,370/x
3. Step 3: Cross multiply
   272,308.50x = 629,370 × 629,370
4. Step 4: Simplify right side
   272,308.50x = 396,106,596,900
5. Step 5: Solve for x
   x = 396,106,596,900/272,308.50
6. Step 6: Final answer
   x = 1,454,624.43