Finding the Third Proportional to 1,537,209 and 2,189,783.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,537,209 : 2,189,783.25 = 2,189,783.25 : x
2. Step 2: Convert to fraction form
   1,537,209/2,189,783.25 = 2,189,783.25/x
3. Step 3: Cross multiply
   1,537,209x = 2,189,783.25 × 2,189,783.25
4. Step 4: Simplify right side
   1,537,209x = 4,795,150,681,980.56
5. Step 5: Solve for x
   x = 4,795,150,681,980.56/1,537,209
6. Step 6: Final answer
   x = 3,119,387.59