Finding the Third Proportional to 353,060 and 522,731.25

Step by Step Solution

1. Step 1: Write the proportion equation
   353,060 : 522,731.25 = 522,731.25 : x
2. Step 2: Convert to fraction form
   353,060/522,731.25 = 522,731.25/x
3. Step 3: Cross multiply
   353,060x = 522,731.25 × 522,731.25
4. Step 4: Simplify right side
   353,060x = 273,247,959,726.56
5. Step 5: Solve for x
   x = 273,247,959,726.56/353,060
6. Step 6: Final answer
   x = 773,941.99