Finding the Third Proportional to 535,239.75 and 830,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   535,239.75 : 830,061.38 = 830,061.38 : x
2. Step 2: Convert to fraction form
   535,239.75/830,061.38 = 830,061.38/x
3. Step 3: Cross multiply
   535,239.75x = 830,061.38 × 830,061.38
4. Step 4: Simplify right side
   535,239.75x = 689,001,886,266.89
5. Step 5: Solve for x
   x = 689,001,886,266.89/535,239.75
6. Step 6: Final answer
   x = 1,287,277.12