Finding the Third Proportional to 482,886 and 721,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   482,886 : 721,777.50 = 721,777.50 : x
2. Step 2: Convert to fraction form
   482,886/721,777.50 = 721,777.50/x
3. Step 3: Cross multiply
   482,886x = 721,777.50 × 721,777.50
4. Step 4: Simplify right side
   482,886x = 520,962,759,506.25
5. Step 5: Solve for x
   x = 520,962,759,506.25/482,886
6. Step 6: Final answer
   x = 1,078,852.48