Finding the Third Proportional to 1,000,454 and 2,190,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,454 : 2,190,646 = 2,190,646 : x
2. Step 2: Convert to fraction form
   1,000,454/2,190,646 = 2,190,646/x
3. Step 3: Cross multiply
   1,000,454x = 2,190,646 × 2,190,646
4. Step 4: Simplify right side
   1,000,454x = 4,798,929,897,316
5. Step 5: Solve for x
   x = 4,798,929,897,316/1,000,454
6. Step 6: Final answer
   x = 4,796,752.17