Finding the Third Proportional to 354,388.50 and 757,953

Step by Step Solution

1. Step 1: Write the proportion equation
   354,388.50 : 757,953 = 757,953 : x
2. Step 2: Convert to fraction form
   354,388.50/757,953 = 757,953/x
3. Step 3: Cross multiply
   354,388.50x = 757,953 × 757,953
4. Step 4: Simplify right side
   354,388.50x = 574,492,750,209
5. Step 5: Solve for x
   x = 574,492,750,209/354,388.50
6. Step 6: Final answer
   x = 1,621,081.81