Finding the Third Proportional to 572,564 and 777,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   572,564 : 777,607.50 = 777,607.50 : x
2. Step 2: Convert to fraction form
   572,564/777,607.50 = 777,607.50/x
3. Step 3: Cross multiply
   572,564x = 777,607.50 × 777,607.50
4. Step 4: Simplify right side
   572,564x = 604,673,424,056.25
5. Step 5: Solve for x
   x = 604,673,424,056.25/572,564
6. Step 6: Final answer
   x = 1,056,080.06