Finding the Third Proportional to 706,440 and 1,513,888

Step by Step Solution

1. Step 1: Write the proportion equation
   706,440 : 1,513,888 = 1,513,888 : x
2. Step 2: Convert to fraction form
   706,440/1,513,888 = 1,513,888/x
3. Step 3: Cross multiply
   706,440x = 1,513,888 × 1,513,888
4. Step 4: Simplify right side
   706,440x = 2,291,856,876,544
5. Step 5: Solve for x
   x = 2,291,856,876,544/706,440
6. Step 6: Final answer
   x = 3,244,234.30