Finding the Third Proportional to 8,567,071.31 and 18,696,799.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,567,071.31 : 18,696,799.69 = 18,696,799.69 : x
2. Step 2: Convert to fraction form
   8,567,071.31/18,696,799.69 = 18,696,799.69/x
3. Step 3: Cross multiply
   8,567,071.31x = 18,696,799.69 × 18,696,799.69
4. Step 4: Simplify right side
   8,567,071.31x = 349,570,318,554,500.12
5. Step 5: Solve for x
   x = 349,570,318,554,500.12/8,567,071.31
6. Step 6: Final answer
   x = 40,803,946.39