Finding the Third Proportional to 373,440 and 560,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   373,440 : 560,431.50 = 560,431.50 : x
2. Step 2: Convert to fraction form
   373,440/560,431.50 = 560,431.50/x
3. Step 3: Cross multiply
   373,440x = 560,431.50 × 560,431.50
4. Step 4: Simplify right side
   373,440x = 314,083,466,192.25
5. Step 5: Solve for x
   x = 314,083,466,192.25/373,440
6. Step 6: Final answer
   x = 841,054.70