Finding the Third Proportional to 123,156 and 191,070

Step by Step Solution

1. Step 1: Write the proportion equation
   123,156 : 191,070 = 191,070 : x
2. Step 2: Convert to fraction form
   123,156/191,070 = 191,070/x
3. Step 3: Cross multiply
   123,156x = 191,070 × 191,070
4. Step 4: Simplify right side
   123,156x = 36,507,744,900
5. Step 5: Solve for x
   x = 36,507,744,900/123,156
6. Step 6: Final answer
   x = 296,434.97