Finding the Third Proportional to 693,278 and 1,500,276

Step by Step Solution

1. Step 1: Write the proportion equation
   693,278 : 1,500,276 = 1,500,276 : x
2. Step 2: Convert to fraction form
   693,278/1,500,276 = 1,500,276/x
3. Step 3: Cross multiply
   693,278x = 1,500,276 × 1,500,276
4. Step 4: Simplify right side
   693,278x = 2,250,828,076,176
5. Step 5: Solve for x
   x = 2,250,828,076,176/693,278
6. Step 6: Final answer
   x = 3,246,645.76