Finding the Third Proportional to 915,690 and 1,347,054

Step by Step Solution

1. Step 1: Write the proportion equation
   915,690 : 1,347,054 = 1,347,054 : x
2. Step 2: Convert to fraction form
   915,690/1,347,054 = 1,347,054/x
3. Step 3: Cross multiply
   915,690x = 1,347,054 × 1,347,054
4. Step 4: Simplify right side
   915,690x = 1,814,554,478,916
5. Step 5: Solve for x
   x = 1,814,554,478,916/915,690
6. Step 6: Final answer
   x = 1,981,625.31