Finding the Third Proportional to 531,445.50 and 807,010

Step by Step Solution

1. Step 1: Write the proportion equation
   531,445.50 : 807,010 = 807,010 : x
2. Step 2: Convert to fraction form
   531,445.50/807,010 = 807,010/x
3. Step 3: Cross multiply
   531,445.50x = 807,010 × 807,010
4. Step 4: Simplify right side
   531,445.50x = 651,265,140,100
5. Step 5: Solve for x
   x = 651,265,140,100/531,445.50
6. Step 6: Final answer
   x = 1,225,459.88