Finding the Third Proportional to 249,645 and 545,997.75

Step by Step Solution

1. Step 1: Write the proportion equation
   249,645 : 545,997.75 = 545,997.75 : x
2. Step 2: Convert to fraction form
   249,645/545,997.75 = 545,997.75/x
3. Step 3: Cross multiply
   249,645x = 545,997.75 × 545,997.75
4. Step 4: Simplify right side
   249,645x = 298,113,543,005.06
5. Step 5: Solve for x
   x = 298,113,543,005.06/249,645
6. Step 6: Final answer
   x = 1,194,149.86