Finding the Third Proportional to 689,798 and 1,507,900

Step by Step Solution

1. Step 1: Write the proportion equation
   689,798 : 1,507,900 = 1,507,900 : x
2. Step 2: Convert to fraction form
   689,798/1,507,900 = 1,507,900/x
3. Step 3: Cross multiply
   689,798x = 1,507,900 × 1,507,900
4. Step 4: Simplify right side
   689,798x = 2,273,762,410,000
5. Step 5: Solve for x
   x = 2,273,762,410,000/689,798
6. Step 6: Final answer
   x = 3,296,272.84