Finding the Third Proportional to 137,103 and 291,666

Step by Step Solution

1. Step 1: Write the proportion equation
   137,103 : 291,666 = 291,666 : x
2. Step 2: Convert to fraction form
   137,103/291,666 = 291,666/x
3. Step 3: Cross multiply
   137,103x = 291,666 × 291,666
4. Step 4: Simplify right side
   137,103x = 85,069,055,556
5. Step 5: Solve for x
   x = 85,069,055,556/137,103
6. Step 6: Final answer
   x = 620,475.52