Finding the Third Proportional to 31,080,808.69 and 67,675,636.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080,808.69 : 67,675,636.69 = 67,675,636.69 : x
2. Step 2: Convert to fraction form
   31,080,808.69/67,675,636.69 = 67,675,636.69/x
3. Step 3: Cross multiply
   31,080,808.69x = 67,675,636.69 × 67,675,636.69
4. Step 4: Simplify right side
   31,080,808.69x = 4,579,991,801,058,496
5. Step 5: Solve for x
   x = 4,579,991,801,058,496/31,080,808.69
6. Step 6: Final answer
   x = 147,357,549.38