Finding the Third Proportional to 423,603 and 931,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   423,603 : 931,165.50 = 931,165.50 : x
2. Step 2: Convert to fraction form
   423,603/931,165.50 = 931,165.50/x
3. Step 3: Cross multiply
   423,603x = 931,165.50 × 931,165.50
4. Step 4: Simplify right side
   423,603x = 867,069,188,390.25
5. Step 5: Solve for x
   x = 867,069,188,390.25/423,603
6. Step 6: Final answer
   x = 2,046,891.05