Finding the Third Proportional to 363,856.50 and 745,713

Step by Step Solution

1. Step 1: Write the proportion equation
   363,856.50 : 745,713 = 745,713 : x
2. Step 2: Convert to fraction form
   363,856.50/745,713 = 745,713/x
3. Step 3: Cross multiply
   363,856.50x = 745,713 × 745,713
4. Step 4: Simplify right side
   363,856.50x = 556,087,878,369
5. Step 5: Solve for x
   x = 556,087,878,369/363,856.50
6. Step 6: Final answer
   x = 1,528,316.46