Finding the Third Proportional to 372,981 and 572,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,981 : 572,353.50 = 572,353.50 : x
2. Step 2: Convert to fraction form
   372,981/572,353.50 = 572,353.50/x
3. Step 3: Cross multiply
   372,981x = 572,353.50 × 572,353.50
4. Step 4: Simplify right side
   372,981x = 327,588,528,962.25
5. Step 5: Solve for x
   x = 327,588,528,962.25/372,981
6. Step 6: Final answer
   x = 878,298.17