Finding the Third Proportional to 647,262 and 1,376,172

Step by Step Solution

1. Step 1: Write the proportion equation
   647,262 : 1,376,172 = 1,376,172 : x
2. Step 2: Convert to fraction form
   647,262/1,376,172 = 1,376,172/x
3. Step 3: Cross multiply
   647,262x = 1,376,172 × 1,376,172
4. Step 4: Simplify right side
   647,262x = 1,893,849,373,584
5. Step 5: Solve for x
   x = 1,893,849,373,584/647,262
6. Step 6: Final answer
   x = 2,925,939.38