Finding the Third Proportional to 1,242,711 and 2,662,470

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,711 : 2,662,470 = 2,662,470 : x
2. Step 2: Convert to fraction form
   1,242,711/2,662,470 = 2,662,470/x
3. Step 3: Cross multiply
   1,242,711x = 2,662,470 × 2,662,470
4. Step 4: Simplify right side
   1,242,711x = 7,088,746,500,900
5. Step 5: Solve for x
   x = 7,088,746,500,900/1,242,711
6. Step 6: Final answer
   x = 5,704,259.88