Finding the Third Proportional to 359,372.25 and 556,371

Step by Step Solution

1. Step 1: Write the proportion equation
   359,372.25 : 556,371 = 556,371 : x
2. Step 2: Convert to fraction form
   359,372.25/556,371 = 556,371/x
3. Step 3: Cross multiply
   359,372.25x = 556,371 × 556,371
4. Step 4: Simplify right side
   359,372.25x = 309,548,689,641
5. Step 5: Solve for x
   x = 309,548,689,641/359,372.25
6. Step 6: Final answer
   x = 861,359.47