Finding the Third Proportional to 191,679 and 297,090

Step by Step Solution

1. Step 1: Write the proportion equation
   191,679 : 297,090 = 297,090 : x
2. Step 2: Convert to fraction form
   191,679/297,090 = 297,090/x
3. Step 3: Cross multiply
   191,679x = 297,090 × 297,090
4. Step 4: Simplify right side
   191,679x = 88,262,468,100
5. Step 5: Solve for x
   x = 88,262,468,100/191,679
6. Step 6: Final answer
   x = 460,470.20