Finding the Third Proportional to 607,855 and 1,407,076

Step by Step Solution

1. Step 1: Write the proportion equation
   607,855 : 1,407,076 = 1,407,076 : x
2. Step 2: Convert to fraction form
   607,855/1,407,076 = 1,407,076/x
3. Step 3: Cross multiply
   607,855x = 1,407,076 × 1,407,076
4. Step 4: Simplify right side
   607,855x = 1,979,862,869,776
5. Step 5: Solve for x
   x = 1,979,862,869,776/607,855
6. Step 6: Final answer
   x = 3,257,130.19