Finding the Third Proportional to 1,813,821 and 2,711,253

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,821 : 2,711,253 = 2,711,253 : x
2. Step 2: Convert to fraction form
   1,813,821/2,711,253 = 2,711,253/x
3. Step 3: Cross multiply
   1,813,821x = 2,711,253 × 2,711,253
4. Step 4: Simplify right side
   1,813,821x = 7,350,892,830,009
5. Step 5: Solve for x
   x = 7,350,892,830,009/1,813,821
6. Step 6: Final answer
   x = 4,052,711.28