Finding the Third Proportional to 359,601 and 545,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,601 : 545,962.50 = 545,962.50 : x
2. Step 2: Convert to fraction form
   359,601/545,962.50 = 545,962.50/x
3. Step 3: Cross multiply
   359,601x = 545,962.50 × 545,962.50
4. Step 4: Simplify right side
   359,601x = 298,075,051,406.25
5. Step 5: Solve for x
   x = 298,075,051,406.25/359,601
6. Step 6: Final answer
   x = 828,904.96