Finding the Third Proportional to 1,289,090 and 2,807,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,090 : 2,807,572 = 2,807,572 : x
2. Step 2: Convert to fraction form
   1,289,090/2,807,572 = 2,807,572/x
3. Step 3: Cross multiply
   1,289,090x = 2,807,572 × 2,807,572
4. Step 4: Simplify right side
   1,289,090x = 7,882,460,535,184
5. Step 5: Solve for x
   x = 7,882,460,535,184/1,289,090
6. Step 6: Final answer
   x = 6,114,748.03