Finding the Third Proportional to 413,542.50 and 900,659

Step by Step Solution

1. Step 1: Write the proportion equation
   413,542.50 : 900,659 = 900,659 : x
2. Step 2: Convert to fraction form
   413,542.50/900,659 = 900,659/x
3. Step 3: Cross multiply
   413,542.50x = 900,659 × 900,659
4. Step 4: Simplify right side
   413,542.50x = 811,186,634,281
5. Step 5: Solve for x
   x = 811,186,634,281/413,542.50
6. Step 6: Final answer
   x = 1,961,555.67