Finding the Third Proportional to 588,996.50 and 900,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   588,996.50 : 900,619.50 = 900,619.50 : x
2. Step 2: Convert to fraction form
   588,996.50/900,619.50 = 900,619.50/x
3. Step 3: Cross multiply
   588,996.50x = 900,619.50 × 900,619.50
4. Step 4: Simplify right side
   588,996.50x = 811,115,483,780.25
5. Step 5: Solve for x
   x = 811,115,483,780.25/588,996.50
6. Step 6: Final answer
   x = 1,377,114.27