Finding the Third Proportional to 321,756 and 482,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   321,756 : 482,012.50 = 482,012.50 : x
2. Step 2: Convert to fraction form
   321,756/482,012.50 = 482,012.50/x
3. Step 3: Cross multiply
   321,756x = 482,012.50 × 482,012.50
4. Step 4: Simplify right side
   321,756x = 232,336,050,156.25
5. Step 5: Solve for x
   x = 232,336,050,156.25/321,756
6. Step 6: Final answer
   x = 722,087.70