Finding the Third Proportional to 141,092 and 307,890

Step by Step Solution

1. Step 1: Write the proportion equation
   141,092 : 307,890 = 307,890 : x
2. Step 2: Convert to fraction form
   141,092/307,890 = 307,890/x
3. Step 3: Cross multiply
   141,092x = 307,890 × 307,890
4. Step 4: Simplify right side
   141,092x = 94,796,252,100
5. Step 5: Solve for x
   x = 94,796,252,100/141,092
6. Step 6: Final answer
   x = 671,875.46