Finding the Third Proportional to 1,045,872 and 2,209,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,872 : 2,209,248 = 2,209,248 : x
2. Step 2: Convert to fraction form
   1,045,872/2,209,248 = 2,209,248/x
3. Step 3: Cross multiply
   1,045,872x = 2,209,248 × 2,209,248
4. Step 4: Simplify right side
   1,045,872x = 4,880,776,725,504
5. Step 5: Solve for x
   x = 4,880,776,725,504/1,045,872
6. Step 6: Final answer
   x = 4,666,705.61