Finding the Third Proportional to 409,675.22 and 900,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   409,675.22 : 900,656.72 = 900,656.72 : x
2. Step 2: Convert to fraction form
   409,675.22/900,656.72 = 900,656.72/x
3. Step 3: Cross multiply
   409,675.22x = 900,656.72 × 900,656.72
4. Step 4: Simplify right side
   409,675.22x = 811,182,525,029.52
5. Step 5: Solve for x
   x = 811,182,525,029.52/409,675.22
6. Step 6: Final answer
   x = 1,980,062.47