Finding the Third Proportional to 20,878,726 and 31,942,113

Step by Step Solution

1. Step 1: Write the proportion equation
   20,878,726 : 31,942,113 = 31,942,113 : x
2. Step 2: Convert to fraction form
   20,878,726/31,942,113 = 31,942,113/x
3. Step 3: Cross multiply
   20,878,726x = 31,942,113 × 31,942,113
4. Step 4: Simplify right side
   20,878,726x = 1,020,298,582,904,769
5. Step 5: Solve for x
   x = 1,020,298,582,904,769/20,878,726
6. Step 6: Final answer
   x = 48,867,856.35