Finding the Third Proportional to 266,465 and 570,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,465 : 570,915.50 = 570,915.50 : x
2. Step 2: Convert to fraction form
   266,465/570,915.50 = 570,915.50/x
3. Step 3: Cross multiply
   266,465x = 570,915.50 × 570,915.50
4. Step 4: Simplify right side
   266,465x = 325,944,508,140.25
5. Step 5: Solve for x
   x = 325,944,508,140.25/266,465
6. Step 6: Final answer
   x = 1,223,216.96