Finding the Third Proportional to 259,316 and 573,064

Step by Step Solution

1. Step 1: Write the proportion equation
   259,316 : 573,064 = 573,064 : x
2. Step 2: Convert to fraction form
   259,316/573,064 = 573,064/x
3. Step 3: Cross multiply
   259,316x = 573,064 × 573,064
4. Step 4: Simplify right side
   259,316x = 328,402,348,096
5. Step 5: Solve for x
   x = 328,402,348,096/259,316
6. Step 6: Final answer
   x = 1,266,417.61