Finding the Third Proportional to 299,960.72 and 708,075.42

Step by Step Solution

1. Step 1: Write the proportion equation
   299,960.72 : 708,075.42 = 708,075.42 : x
2. Step 2: Convert to fraction form
   299,960.72/708,075.42 = 708,075.42/x
3. Step 3: Cross multiply
   299,960.72x = 708,075.42 × 708,075.42
4. Step 4: Simplify right side
   299,960.72x = 501,370,803,063.46
5. Step 5: Solve for x
   x = 501,370,803,063.46/299,960.72
6. Step 6: Final answer
   x = 1,671,454.87