Finding the Third Proportional to 454,299 and 700,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,299 : 700,402.50 = 700,402.50 : x
2. Step 2: Convert to fraction form
   454,299/700,402.50 = 700,402.50/x
3. Step 3: Cross multiply
   454,299x = 700,402.50 × 700,402.50
4. Step 4: Simplify right side
   454,299x = 490,563,662,006.25
5. Step 5: Solve for x
   x = 490,563,662,006.25/454,299
6. Step 6: Final answer
   x = 1,079,825.54