Finding the Third Proportional to 461,496 and 698,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   461,496 : 698,611.50 = 698,611.50 : x
2. Step 2: Convert to fraction form
   461,496/698,611.50 = 698,611.50/x
3. Step 3: Cross multiply
   461,496x = 698,611.50 × 698,611.50
4. Step 4: Simplify right side
   461,496x = 488,058,027,932.25
5. Step 5: Solve for x
   x = 488,058,027,932.25/461,496
6. Step 6: Final answer
   x = 1,057,556.36