Finding the Third Proportional to 359,068 and 556,748

Step by Step Solution

1. Step 1: Write the proportion equation
   359,068 : 556,748 = 556,748 : x
2. Step 2: Convert to fraction form
   359,068/556,748 = 556,748/x
3. Step 3: Cross multiply
   359,068x = 556,748 × 556,748
4. Step 4: Simplify right side
   359,068x = 309,968,335,504
5. Step 5: Solve for x
   x = 309,968,335,504/359,068
6. Step 6: Final answer
   x = 863,258.03