Finding the Third Proportional to 1,428,810 and 2,176,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,810 : 2,176,712 = 2,176,712 : x
2. Step 2: Convert to fraction form
   1,428,810/2,176,712 = 2,176,712/x
3. Step 3: Cross multiply
   1,428,810x = 2,176,712 × 2,176,712
4. Step 4: Simplify right side
   1,428,810x = 4,738,075,130,944
5. Step 5: Solve for x
   x = 4,738,075,130,944/1,428,810
6. Step 6: Final answer
   x = 3,316,098.80