Finding the Third Proportional to 359,013 and 545,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,013 : 545,980.50 = 545,980.50 : x
2. Step 2: Convert to fraction form
   359,013/545,980.50 = 545,980.50/x
3. Step 3: Cross multiply
   359,013x = 545,980.50 × 545,980.50
4. Step 4: Simplify right side
   359,013x = 298,094,706,380.25
5. Step 5: Solve for x
   x = 298,094,706,380.25/359,013
6. Step 6: Final answer
   x = 830,317.30