Finding the Third Proportional to 345,249 and 525,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   345,249 : 525,082.50 = 525,082.50 : x
2. Step 2: Convert to fraction form
   345,249/525,082.50 = 525,082.50/x
3. Step 3: Cross multiply
   345,249x = 525,082.50 × 525,082.50
4. Step 4: Simplify right side
   345,249x = 275,711,631,806.25
5. Step 5: Solve for x
   x = 275,711,631,806.25/345,249
6. Step 6: Final answer
   x = 798,587.78