Finding the Third Proportional to 455,967 and 782,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,967 : 782,362.50 = 782,362.50 : x
2. Step 2: Convert to fraction form
   455,967/782,362.50 = 782,362.50/x
3. Step 3: Cross multiply
   455,967x = 782,362.50 × 782,362.50
4. Step 4: Simplify right side
   455,967x = 612,091,081,406.25
5. Step 5: Solve for x
   x = 612,091,081,406.25/455,967
6. Step 6: Final answer
   x = 1,342,402.15