Finding the Third Proportional to 607,650 and 1,308,789

Step by Step Solution

1. Step 1: Write the proportion equation
   607,650 : 1,308,789 = 1,308,789 : x
2. Step 2: Convert to fraction form
   607,650/1,308,789 = 1,308,789/x
3. Step 3: Cross multiply
   607,650x = 1,308,789 × 1,308,789
4. Step 4: Simplify right side
   607,650x = 1,712,928,646,521
5. Step 5: Solve for x
   x = 1,712,928,646,521/607,650
6. Step 6: Final answer
   x = 2,818,939.60