Finding the Third Proportional to 698,156 and 1,503,172

Step by Step Solution

1. Step 1: Write the proportion equation
   698,156 : 1,503,172 = 1,503,172 : x
2. Step 2: Convert to fraction form
   698,156/1,503,172 = 1,503,172/x
3. Step 3: Cross multiply
   698,156x = 1,503,172 × 1,503,172
4. Step 4: Simplify right side
   698,156x = 2,259,526,061,584
5. Step 5: Solve for x
   x = 2,259,526,061,584/698,156
6. Step 6: Final answer
   x = 3,236,420.03