Finding the Third Proportional to 615,269.25 and 931,404.38

Step by Step Solution

1. Step 1: Write the proportion equation
   615,269.25 : 931,404.38 = 931,404.38 : x
2. Step 2: Convert to fraction form
   615,269.25/931,404.38 = 931,404.38/x
3. Step 3: Cross multiply
   615,269.25x = 931,404.38 × 931,404.38
4. Step 4: Simplify right side
   615,269.25x = 867,514,109,769.14
5. Step 5: Solve for x
   x = 867,514,109,769.14/615,269.25
6. Step 6: Final answer
   x = 1,409,974.75