Finding the Third Proportional to 1,061,187 and 2,290,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,187 : 2,290,428 = 2,290,428 : x
2. Step 2: Convert to fraction form
   1,061,187/2,290,428 = 2,290,428/x
3. Step 3: Cross multiply
   1,061,187x = 2,290,428 × 2,290,428
4. Step 4: Simplify right side
   1,061,187x = 5,246,060,423,184
5. Step 5: Solve for x
   x = 5,246,060,423,184/1,061,187
6. Step 6: Final answer
   x = 4,943,577.73