Finding the Third Proportional to 1,359,262 and 2,159,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,262 : 2,159,430 = 2,159,430 : x
2. Step 2: Convert to fraction form
   1,359,262/2,159,430 = 2,159,430/x
3. Step 3: Cross multiply
   1,359,262x = 2,159,430 × 2,159,430
4. Step 4: Simplify right side
   1,359,262x = 4,663,137,924,900
5. Step 5: Solve for x
   x = 4,663,137,924,900/1,359,262
6. Step 6: Final answer
   x = 3,430,639.51