Finding the Third Proportional to 562,230 and 1,210,428

Step by Step Solution

1. Step 1: Write the proportion equation
   562,230 : 1,210,428 = 1,210,428 : x
2. Step 2: Convert to fraction form
   562,230/1,210,428 = 1,210,428/x
3. Step 3: Cross multiply
   562,230x = 1,210,428 × 1,210,428
4. Step 4: Simplify right side
   562,230x = 1,465,135,943,184
5. Step 5: Solve for x
   x = 1,465,135,943,184/562,230
6. Step 6: Final answer
   x = 2,605,936.97