Finding the Third Proportional to 710,418 and 1,521,916

Step by Step Solution

1. Step 1: Write the proportion equation
   710,418 : 1,521,916 = 1,521,916 : x
2. Step 2: Convert to fraction form
   710,418/1,521,916 = 1,521,916/x
3. Step 3: Cross multiply
   710,418x = 1,521,916 × 1,521,916
4. Step 4: Simplify right side
   710,418x = 2,316,228,311,056
5. Step 5: Solve for x
   x = 2,316,228,311,056/710,418
6. Step 6: Final answer
   x = 3,260,373.91