Finding the Third Proportional to 1,128,540 and 1,530,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,540 : 1,530,972 = 1,530,972 : x
2. Step 2: Convert to fraction form
   1,128,540/1,530,972 = 1,530,972/x
3. Step 3: Cross multiply
   1,128,540x = 1,530,972 × 1,530,972
4. Step 4: Simplify right side
   1,128,540x = 2,343,875,264,784
5. Step 5: Solve for x
   x = 2,343,875,264,784/1,128,540
6. Step 6: Final answer
   x = 2,076,909.34