Finding the Third Proportional to 370,203 and 559,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   370,203 : 559,861.50 = 559,861.50 : x
2. Step 2: Convert to fraction form
   370,203/559,861.50 = 559,861.50/x
3. Step 3: Cross multiply
   370,203x = 559,861.50 × 559,861.50
4. Step 4: Simplify right side
   370,203x = 313,444,899,182.25
5. Step 5: Solve for x
   x = 313,444,899,182.25/370,203
6. Step 6: Final answer
   x = 846,683.84