Finding the Third Proportional to 21,322,620 and 31,184,236

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,620 : 31,184,236 = 31,184,236 : x
2. Step 2: Convert to fraction form
   21,322,620/31,184,236 = 31,184,236/x
3. Step 3: Cross multiply
   21,322,620x = 31,184,236 × 31,184,236
4. Step 4: Simplify right side
   21,322,620x = 972,456,574,903,696
5. Step 5: Solve for x
   x = 972,456,574,903,696/21,322,620
6. Step 6: Final answer
   x = 45,606,805.12