Finding the Third Proportional to 249,414 and 545,411.63

Step by Step Solution

1. Step 1: Write the proportion equation
   249,414 : 545,411.63 = 545,411.63 : x
2. Step 2: Convert to fraction form
   249,414/545,411.63 = 545,411.63/x
3. Step 3: Cross multiply
   249,414x = 545,411.63 × 545,411.63
4. Step 4: Simplify right side
   249,414x = 297,473,840,685.14
5. Step 5: Solve for x
   x = 297,473,840,685.14/249,414
6. Step 6: Final answer
   x = 1,192,691.03