Finding the Third Proportional to 647,244 and 1,407,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   647,244 : 1,407,422.25 = 1,407,422.25 : x
2. Step 2: Convert to fraction form
   647,244/1,407,422.25 = 1,407,422.25/x
3. Step 3: Cross multiply
   647,244x = 1,407,422.25 × 1,407,422.25
4. Step 4: Simplify right side
   647,244x = 1,980,837,389,795.06
5. Step 5: Solve for x
   x = 1,980,837,389,795.06/647,244
6. Step 6: Final answer
   x = 3,060,418.31