Finding the Third Proportional to 745,515 and 993,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   745,515 : 993,271.50 = 993,271.50 : x
2. Step 2: Convert to fraction form
   745,515/993,271.50 = 993,271.50/x
3. Step 3: Cross multiply
   745,515x = 993,271.50 × 993,271.50
4. Step 4: Simplify right side
   745,515x = 986,588,272,712.25
5. Step 5: Solve for x
   x = 986,588,272,712.25/745,515
6. Step 6: Final answer
   x = 1,323,364.75