Finding the Third Proportional to 137,445 and 291,738

Step by Step Solution

1. Step 1: Write the proportion equation
   137,445 : 291,738 = 291,738 : x
2. Step 2: Convert to fraction form
   137,445/291,738 = 291,738/x
3. Step 3: Cross multiply
   137,445x = 291,738 × 291,738
4. Step 4: Simplify right side
   137,445x = 85,111,060,644
5. Step 5: Solve for x
   x = 85,111,060,644/137,445
6. Step 6: Final answer
   x = 619,237.23