Finding the Third Proportional to 1,390,264 and 3,248,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,264 : 3,248,086 = 3,248,086 : x
2. Step 2: Convert to fraction form
   1,390,264/3,248,086 = 3,248,086/x
3. Step 3: Cross multiply
   1,390,264x = 3,248,086 × 3,248,086
4. Step 4: Simplify right side
   1,390,264x = 10,550,062,663,396
5. Step 5: Solve for x
   x = 10,550,062,663,396/1,390,264
6. Step 6: Final answer
   x = 7,588,531.86