Finding the Third Proportional to 706,173 and 906,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   706,173 : 906,706.50 = 906,706.50 : x
2. Step 2: Convert to fraction form
   706,173/906,706.50 = 906,706.50/x
3. Step 3: Cross multiply
   706,173x = 906,706.50 × 906,706.50
4. Step 4: Simplify right side
   706,173x = 822,116,677,142.25
5. Step 5: Solve for x
   x = 822,116,677,142.25/706,173
6. Step 6: Final answer
   x = 1,164,185.94