Finding the Third Proportional to 261,501 and 572,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   261,501 : 572,749.50 = 572,749.50 : x
2. Step 2: Convert to fraction form
   261,501/572,749.50 = 572,749.50/x
3. Step 3: Cross multiply
   261,501x = 572,749.50 × 572,749.50
4. Step 4: Simplify right side
   261,501x = 328,041,989,750.25
5. Step 5: Solve for x
   x = 328,041,989,750.25/261,501
6. Step 6: Final answer
   x = 1,254,457.88