Finding the Third Proportional to 715,128 and 1,060,316

Step by Step Solution

1. Step 1: Write the proportion equation
   715,128 : 1,060,316 = 1,060,316 : x
2. Step 2: Convert to fraction form
   715,128/1,060,316 = 1,060,316/x
3. Step 3: Cross multiply
   715,128x = 1,060,316 × 1,060,316
4. Step 4: Simplify right side
   715,128x = 1,124,270,019,856
5. Step 5: Solve for x
   x = 1,124,270,019,856/715,128
6. Step 6: Final answer
   x = 1,572,124.18