Finding the Third Proportional to 915,659 and 1,347,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915,659 : 1,347,015.50 = 1,347,015.50 : x
2. Step 2: Convert to fraction form
   915,659/1,347,015.50 = 1,347,015.50/x
3. Step 3: Cross multiply
   915,659x = 1,347,015.50 × 1,347,015.50
4. Step 4: Simplify right side
   915,659x = 1,814,450,757,240.25
5. Step 5: Solve for x
   x = 1,814,450,757,240.25/915,659
6. Step 6: Final answer
   x = 1,981,579.12