Finding the Third Proportional to 1,276,190 and 1,977,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,190 : 1,977,028 = 1,977,028 : x
2. Step 2: Convert to fraction form
   1,276,190/1,977,028 = 1,977,028/x
3. Step 3: Cross multiply
   1,276,190x = 1,977,028 × 1,977,028
4. Step 4: Simplify right side
   1,276,190x = 3,908,639,712,784
5. Step 5: Solve for x
   x = 3,908,639,712,784/1,276,190
6. Step 6: Final answer
   x = 3,062,741.22