Finding the Third Proportional to 358,387.50 and 769,896

Step by Step Solution

1. Step 1: Write the proportion equation
   358,387.50 : 769,896 = 769,896 : x
2. Step 2: Convert to fraction form
   358,387.50/769,896 = 769,896/x
3. Step 3: Cross multiply
   358,387.50x = 769,896 × 769,896
4. Step 4: Simplify right side
   358,387.50x = 592,739,850,816
5. Step 5: Solve for x
   x = 592,739,850,816/358,387.50
6. Step 6: Final answer
   x = 1,653,907.71