Finding the Third Proportional to 208,140 and 297,426

Step by Step Solution

1. Step 1: Write the proportion equation
   208,140 : 297,426 = 297,426 : x
2. Step 2: Convert to fraction form
   208,140/297,426 = 297,426/x
3. Step 3: Cross multiply
   208,140x = 297,426 × 297,426
4. Step 4: Simplify right side
   208,140x = 88,462,225,476
5. Step 5: Solve for x
   x = 88,462,225,476/208,140
6. Step 6: Final answer
   x = 425,013.09