Finding the Third Proportional to 867,596,049.50 and 1,321,722,969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   867,596,049.50 : 1,321,722,969.50 = 1,321,722,969.50 : x
2. Step 2: Convert to fraction form
   867,596,049.50/1,321,722,969.50 = 1,321,722,969.50/x
3. Step 3: Cross multiply
   867,596,049.50x = 1,321,722,969.50 × 1,321,722,969.50
4. Step 4: Simplify right side
   867,596,049.50x = 1,746,951,608,103,897,856
5. Step 5: Solve for x
   x = 1,746,951,608,103,897,856/867,596,049.50
6. Step 6: Final answer
   x = 2,013,554,129.38