Finding the Third Proportional to 506,402 and 1,109,428

Step by Step Solution

1. Step 1: Write the proportion equation
   506,402 : 1,109,428 = 1,109,428 : x
2. Step 2: Convert to fraction form
   506,402/1,109,428 = 1,109,428/x
3. Step 3: Cross multiply
   506,402x = 1,109,428 × 1,109,428
4. Step 4: Simplify right side
   506,402x = 1,230,830,487,184
5. Step 5: Solve for x
   x = 1,230,830,487,184/506,402
6. Step 6: Final answer
   x = 2,430,540.34