Finding the Third Proportional to 706,320 and 906,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   706,320 : 906,907.50 = 906,907.50 : x
2. Step 2: Convert to fraction form
   706,320/906,907.50 = 906,907.50/x
3. Step 3: Cross multiply
   706,320x = 906,907.50 × 906,907.50
4. Step 4: Simplify right side
   706,320x = 822,481,213,556.25
5. Step 5: Solve for x
   x = 822,481,213,556.25/706,320
6. Step 6: Final answer
   x = 1,164,459.75