Finding the Third Proportional to 1,134,900 and 1,686,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134,900 : 1,686,272.50 = 1,686,272.50 : x
2. Step 2: Convert to fraction form
   1,134,900/1,686,272.50 = 1,686,272.50/x
3. Step 3: Cross multiply
   1,134,900x = 1,686,272.50 × 1,686,272.50
4. Step 4: Simplify right side
   1,134,900x = 2,843,514,944,256.25
5. Step 5: Solve for x
   x = 2,843,514,944,256.25/1,134,900
6. Step 6: Final answer
   x = 2,505,520.26