Finding the Third Proportional to 534,789 and 802,298.25

Step by Step Solution

1. Step 1: Write the proportion equation
   534,789 : 802,298.25 = 802,298.25 : x
2. Step 2: Convert to fraction form
   534,789/802,298.25 = 802,298.25/x
3. Step 3: Cross multiply
   534,789x = 802,298.25 × 802,298.25
4. Step 4: Simplify right side
   534,789x = 643,682,481,953.06
5. Step 5: Solve for x
   x = 643,682,481,953.06/534,789
6. Step 6: Final answer
   x = 1,203,619.52