Finding the Third Proportional to 731,426 and 1,097,139

Step by Step Solution

1. Step 1: Write the proportion equation
   731,426 : 1,097,139 = 1,097,139 : x
2. Step 2: Convert to fraction form
   731,426/1,097,139 = 1,097,139/x
3. Step 3: Cross multiply
   731,426x = 1,097,139 × 1,097,139
4. Step 4: Simplify right side
   731,426x = 1,203,713,985,321
5. Step 5: Solve for x
   x = 1,203,713,985,321/731,426
6. Step 6: Final answer
   x = 1,645,708.50