Finding the Third Proportional to 534,891.75 and 830,904

Step by Step Solution

1. Step 1: Write the proportion equation
   534,891.75 : 830,904 = 830,904 : x
2. Step 2: Convert to fraction form
   534,891.75/830,904 = 830,904/x
3. Step 3: Cross multiply
   534,891.75x = 830,904 × 830,904
4. Step 4: Simplify right side
   534,891.75x = 690,401,457,216
5. Step 5: Solve for x
   x = 690,401,457,216/534,891.75
6. Step 6: Final answer
   x = 1,290,731.18