Finding the Third Proportional to 573,591 and 911,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   573,591 : 911,005.50 = 911,005.50 : x
2. Step 2: Convert to fraction form
   573,591/911,005.50 = 911,005.50/x
3. Step 3: Cross multiply
   573,591x = 911,005.50 × 911,005.50
4. Step 4: Simplify right side
   573,591x = 829,931,021,030.25
5. Step 5: Solve for x
   x = 829,931,021,030.25/573,591
6. Step 6: Final answer
   x = 1,446,903.84