Finding the Third Proportional to 254,372 and 545,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,372 : 545,623.50 = 545,623.50 : x
2. Step 2: Convert to fraction form
   254,372/545,623.50 = 545,623.50/x
3. Step 3: Cross multiply
   254,372x = 545,623.50 × 545,623.50
4. Step 4: Simplify right side
   254,372x = 297,705,003,752.25
5. Step 5: Solve for x
   x = 297,705,003,752.25/254,372
6. Step 6: Final answer
   x = 1,170,352.88