Finding the Third Proportional to 140,478.47 and 307,184.06

Step by Step Solution

1. Step 1: Write the proportion equation
   140,478.47 : 307,184.06 = 307,184.06 : x
2. Step 2: Convert to fraction form
   140,478.47/307,184.06 = 307,184.06/x
3. Step 3: Cross multiply
   140,478.47x = 307,184.06 × 307,184.06
4. Step 4: Simplify right side
   140,478.47x = 94,362,048,254.00
5. Step 5: Solve for x
   x = 94,362,048,254.00/140,478.47
6. Step 6: Final answer
   x = 671,718.94