Finding the Third Proportional to 374,143 and 570,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   374,143 : 570,555.50 = 570,555.50 : x
2. Step 2: Convert to fraction form
   374,143/570,555.50 = 570,555.50/x
3. Step 3: Cross multiply
   374,143x = 570,555.50 × 570,555.50
4. Step 4: Simplify right side
   374,143x = 325,533,578,580.25
5. Step 5: Solve for x
   x = 325,533,578,580.25/374,143
6. Step 6: Final answer
   x = 870,077.96