Finding the Third Proportional to 706,322 and 906,910

Step by Step Solution

1. Step 1: Write the proportion equation
   706,322 : 906,910 = 906,910 : x
2. Step 2: Convert to fraction form
   706,322/906,910 = 906,910/x
3. Step 3: Cross multiply
   706,322x = 906,910 × 906,910
4. Step 4: Simplify right side
   706,322x = 822,485,748,100
5. Step 5: Solve for x
   x = 822,485,748,100/706,322
6. Step 6: Final answer
   x = 1,164,462.88