Finding the Third Proportional to 369,808 and 757,140

Step by Step Solution

1. Step 1: Write the proportion equation
   369,808 : 757,140 = 757,140 : x
2. Step 2: Convert to fraction form
   369,808/757,140 = 757,140/x
3. Step 3: Cross multiply
   369,808x = 757,140 × 757,140
4. Step 4: Simplify right side
   369,808x = 573,260,979,600
5. Step 5: Solve for x
   x = 573,260,979,600/369,808
6. Step 6: Final answer
   x = 1,550,158.41