Finding the Third Proportional to 485,645 and 1,030,465

Step by Step Solution

1. Step 1: Write the proportion equation
   485,645 : 1,030,465 = 1,030,465 : x
2. Step 2: Convert to fraction form
   485,645/1,030,465 = 1,030,465/x
3. Step 3: Cross multiply
   485,645x = 1,030,465 × 1,030,465
4. Step 4: Simplify right side
   485,645x = 1,061,858,116,225
5. Step 5: Solve for x
   x = 1,061,858,116,225/485,645
6. Step 6: Final answer
   x = 2,186,490.37