Finding the Third Proportional to 428,971.50 and 932,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   428,971.50 : 932,647.50 = 932,647.50 : x
2. Step 2: Convert to fraction form
   428,971.50/932,647.50 = 932,647.50/x
3. Step 3: Cross multiply
   428,971.50x = 932,647.50 × 932,647.50
4. Step 4: Simplify right side
   428,971.50x = 869,831,359,256.25
5. Step 5: Solve for x
   x = 869,831,359,256.25/428,971.50
6. Step 6: Final answer
   x = 2,027,713.63