Finding the Third Proportional to 371,949.75 and 556,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,949.75 : 556,483.50 = 556,483.50 : x
2. Step 2: Convert to fraction form
   371,949.75/556,483.50 = 556,483.50/x
3. Step 3: Cross multiply
   371,949.75x = 556,483.50 × 556,483.50
4. Step 4: Simplify right side
   371,949.75x = 309,673,885,772.25
5. Step 5: Solve for x
   x = 309,673,885,772.25/371,949.75
6. Step 6: Final answer
   x = 832,569.15