Finding the Third Proportional to 358,942 and 563,153.25

Step by Step Solution

1. Step 1: Write the proportion equation
   358,942 : 563,153.25 = 563,153.25 : x
2. Step 2: Convert to fraction form
   358,942/563,153.25 = 563,153.25/x
3. Step 3: Cross multiply
   358,942x = 563,153.25 × 563,153.25
4. Step 4: Simplify right side
   358,942x = 317,141,582,985.56
5. Step 5: Solve for x
   x = 317,141,582,985.56/358,942
6. Step 6: Final answer
   x = 883,545.48