Finding the Third Proportional to 423,087 and 881,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,087 : 881,165.50 = 881,165.50 : x
2. Step 2: Convert to fraction form
   423,087/881,165.50 = 881,165.50/x
3. Step 3: Cross multiply
   423,087x = 881,165.50 × 881,165.50
4. Step 4: Simplify right side
   423,087x = 776,452,638,390.25
5. Step 5: Solve for x
   x = 776,452,638,390.25/423,087
6. Step 6: Final answer
   x = 1,835,207.98