Finding the Third Proportional to 654,380 and 1,402,072

Step by Step Solution

1. Step 1: Write the proportion equation
   654,380 : 1,402,072 = 1,402,072 : x
2. Step 2: Convert to fraction form
   654,380/1,402,072 = 1,402,072/x
3. Step 3: Cross multiply
   654,380x = 1,402,072 × 1,402,072
4. Step 4: Simplify right side
   654,380x = 1,965,805,893,184
5. Step 5: Solve for x
   x = 1,965,805,893,184/654,380
6. Step 6: Final answer
   x = 3,004,073.92