Finding the Third Proportional to 573,500.25 and 891,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   573,500.25 : 891,607.50 = 891,607.50 : x
2. Step 2: Convert to fraction form
   573,500.25/891,607.50 = 891,607.50/x
3. Step 3: Cross multiply
   573,500.25x = 891,607.50 × 891,607.50
4. Step 4: Simplify right side
   573,500.25x = 794,963,934,056.25
5. Step 5: Solve for x
   x = 794,963,934,056.25/573,500.25
6. Step 6: Final answer
   x = 1,386,161.44