Finding the Third Proportional to 373,431 and 573,991.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,431 : 573,991.50 = 573,991.50 : x
2. Step 2: Convert to fraction form
   373,431/573,991.50 = 573,991.50/x
3. Step 3: Cross multiply
   373,431x = 573,991.50 × 573,991.50
4. Step 4: Simplify right side
   373,431x = 329,466,242,072.25
5. Step 5: Solve for x
   x = 329,466,242,072.25/373,431
6. Step 6: Final answer
   x = 882,268.06