Finding the Third Proportional to 573,437.25 and 911,007

Step by Step Solution

1. Step 1: Write the proportion equation
   573,437.25 : 911,007 = 911,007 : x
2. Step 2: Convert to fraction form
   573,437.25/911,007 = 911,007/x
3. Step 3: Cross multiply
   573,437.25x = 911,007 × 911,007
4. Step 4: Simplify right side
   573,437.25x = 829,933,754,049
5. Step 5: Solve for x
   x = 829,933,754,049/573,437.25
6. Step 6: Final answer
   x = 1,447,296.55