Finding the Third Proportional to 3,000,654 and 4,287,870

Step by Step Solution

1. Step 1: Write the proportion equation
   3,000,654 : 4,287,870 = 4,287,870 : x
2. Step 2: Convert to fraction form
   3,000,654/4,287,870 = 4,287,870/x
3. Step 3: Cross multiply
   3,000,654x = 4,287,870 × 4,287,870
4. Step 4: Simplify right side
   3,000,654x = 18,385,829,136,900
5. Step 5: Solve for x
   x = 18,385,829,136,900/3,000,654
6. Step 6: Final answer
   x = 6,127,273.97