Finding the Third Proportional to 353,500 and 747,942

Step by Step Solution

1. Step 1: Write the proportion equation
   353,500 : 747,942 = 747,942 : x
2. Step 2: Convert to fraction form
   353,500/747,942 = 747,942/x
3. Step 3: Cross multiply
   353,500x = 747,942 × 747,942
4. Step 4: Simplify right side
   353,500x = 559,417,235,364
5. Step 5: Solve for x
   x = 559,417,235,364/353,500
6. Step 6: Final answer
   x = 1,582,509.86