Finding the Third Proportional to 369,771 and 528,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,771 : 528,412.50 = 528,412.50 : x
2. Step 2: Convert to fraction form
   369,771/528,412.50 = 528,412.50/x
3. Step 3: Cross multiply
   369,771x = 528,412.50 × 528,412.50
4. Step 4: Simplify right side
   369,771x = 279,219,770,156.25
5. Step 5: Solve for x
   x = 279,219,770,156.25/369,771
6. Step 6: Final answer
   x = 755,115.38