Finding the Third Proportional to 300,049.31 and 651,614.63

Step by Step Solution

1. Step 1: Write the proportion equation
   300,049.31 : 651,614.63 = 651,614.63 : x
2. Step 2: Convert to fraction form
   300,049.31/651,614.63 = 651,614.63/x
3. Step 3: Cross multiply
   300,049.31x = 651,614.63 × 651,614.63
4. Step 4: Simplify right side
   300,049.31x = 424,601,619,513.89
5. Step 5: Solve for x
   x = 424,601,619,513.89/300,049.31
6. Step 6: Final answer
   x = 1,415,106.12