Finding the Third Proportional to 20,598,838.50 and 31,866,837

Step by Step Solution

1. Step 1: Write the proportion equation
   20,598,838.50 : 31,866,837 = 31,866,837 : x
2. Step 2: Convert to fraction form
   20,598,838.50/31,866,837 = 31,866,837/x
3. Step 3: Cross multiply
   20,598,838.50x = 31,866,837 × 31,866,837
4. Step 4: Simplify right side
   20,598,838.50x = 1,015,495,300,384,569
5. Step 5: Solve for x
   x = 1,015,495,300,384,569/20,598,838.50
6. Step 6: Final answer
   x = 49,298,668.00