Finding the Third Proportional to 1,210,572 and 1,873,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,572 : 1,873,278 = 1,873,278 : x
2. Step 2: Convert to fraction form
   1,210,572/1,873,278 = 1,873,278/x
3. Step 3: Cross multiply
   1,210,572x = 1,873,278 × 1,873,278
4. Step 4: Simplify right side
   1,210,572x = 3,509,170,465,284
5. Step 5: Solve for x
   x = 3,509,170,465,284/1,210,572
6. Step 6: Final answer
   x = 2,898,770.55