Finding the Third Proportional to 1,427,798 and 2,210,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,798 : 2,210,817 = 2,210,817 : x
2. Step 2: Convert to fraction form
   1,427,798/2,210,817 = 2,210,817/x
3. Step 3: Cross multiply
   1,427,798x = 2,210,817 × 2,210,817
4. Step 4: Simplify right side
   1,427,798x = 4,887,711,807,489
5. Step 5: Solve for x
   x = 4,887,711,807,489/1,427,798
6. Step 6: Final answer
   x = 3,423,251.61