Finding the Third Proportional to 1,372,536 and 1,980,066

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,536 : 1,980,066 = 1,980,066 : x
2. Step 2: Convert to fraction form
   1,372,536/1,980,066 = 1,980,066/x
3. Step 3: Cross multiply
   1,372,536x = 1,980,066 × 1,980,066
4. Step 4: Simplify right side
   1,372,536x = 3,920,661,364,356
5. Step 5: Solve for x
   x = 3,920,661,364,356/1,372,536
6. Step 6: Final answer
   x = 2,856,508.95