Finding the Third Proportional to 758,564 and 1,109,820

Step by Step Solution

1. Step 1: Write the proportion equation
   758,564 : 1,109,820 = 1,109,820 : x
2. Step 2: Convert to fraction form
   758,564/1,109,820 = 1,109,820/x
3. Step 3: Cross multiply
   758,564x = 1,109,820 × 1,109,820
4. Step 4: Simplify right side
   758,564x = 1,231,700,432,400
5. Step 5: Solve for x
   x = 1,231,700,432,400/758,564
6. Step 6: Final answer
   x = 1,623,726.45