Finding the Third Proportional to 478,371 and 740,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,371 : 740,236.50 = 740,236.50 : x
2. Step 2: Convert to fraction form
   478,371/740,236.50 = 740,236.50/x
3. Step 3: Cross multiply
   478,371x = 740,236.50 × 740,236.50
4. Step 4: Simplify right side
   478,371x = 547,950,075,932.25
5. Step 5: Solve for x
   x = 547,950,075,932.25/478,371
6. Step 6: Final answer
   x = 1,145,450.03