Finding the Third Proportional to 554,178 and 708,108.75

Step by Step Solution

1. Step 1: Write the proportion equation
   554,178 : 708,108.75 = 708,108.75 : x
2. Step 2: Convert to fraction form
   554,178/708,108.75 = 708,108.75/x
3. Step 3: Cross multiply
   554,178x = 708,108.75 × 708,108.75
4. Step 4: Simplify right side
   554,178x = 501,418,001,826.56
5. Step 5: Solve for x
   x = 501,418,001,826.56/554,178
6. Step 6: Final answer
   x = 904,795.94