Finding the Third Proportional to 413,140.50 and 875,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   413,140.50 : 875,899.50 = 875,899.50 : x
2. Step 2: Convert to fraction form
   413,140.50/875,899.50 = 875,899.50/x
3. Step 3: Cross multiply
   413,140.50x = 875,899.50 × 875,899.50
4. Step 4: Simplify right side
   413,140.50x = 767,199,934,100.25
5. Step 5: Solve for x
   x = 767,199,934,100.25/413,140.50
6. Step 6: Final answer
   x = 1,856,995.22