Finding the Third Proportional to 1,059,312 and 1,620,759

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,312 : 1,620,759 = 1,620,759 : x
2. Step 2: Convert to fraction form
   1,059,312/1,620,759 = 1,620,759/x
3. Step 3: Cross multiply
   1,059,312x = 1,620,759 × 1,620,759
4. Step 4: Simplify right side
   1,059,312x = 2,626,859,736,081
5. Step 5: Solve for x
   x = 2,626,859,736,081/1,059,312
6. Step 6: Final answer
   x = 2,479,779.08