Finding the Third Proportional to 758,340 and 1,142,316

Step by Step Solution

1. Step 1: Write the proportion equation
   758,340 : 1,142,316 = 1,142,316 : x
2. Step 2: Convert to fraction form
   758,340/1,142,316 = 1,142,316/x
3. Step 3: Cross multiply
   758,340x = 1,142,316 × 1,142,316
4. Step 4: Simplify right side
   758,340x = 1,304,885,843,856
5. Step 5: Solve for x
   x = 1,304,885,843,856/758,340
6. Step 6: Final answer
   x = 1,720,713.46