Finding the Third Proportional to 492,068.25 and 803,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   492,068.25 : 803,499.75 = 803,499.75 : x
2. Step 2: Convert to fraction form
   492,068.25/803,499.75 = 803,499.75/x
3. Step 3: Cross multiply
   492,068.25x = 803,499.75 × 803,499.75
4. Step 4: Simplify right side
   492,068.25x = 645,611,848,250.06
5. Step 5: Solve for x
   x = 645,611,848,250.06/492,068.25
6. Step 6: Final answer
   x = 1,312,037.20