Finding the Third Proportional to 1,030,356 and 1,358,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,356 : 1,358,142 = 1,358,142 : x
2. Step 2: Convert to fraction form
   1,030,356/1,358,142 = 1,358,142/x
3. Step 3: Cross multiply
   1,030,356x = 1,358,142 × 1,358,142
4. Step 4: Simplify right side
   1,030,356x = 1,844,549,692,164
5. Step 5: Solve for x
   x = 1,844,549,692,164/1,030,356
6. Step 6: Final answer
   x = 1,790,206.19