Finding the Third Proportional to 21,322,605 and 31,184,224

Step by Step Solution

1. Step 1: Write the proportion equation
   21,322,605 : 31,184,224 = 31,184,224 : x
2. Step 2: Convert to fraction form
   21,322,605/31,184,224 = 31,184,224/x
3. Step 3: Cross multiply
   21,322,605x = 31,184,224 × 31,184,224
4. Step 4: Simplify right side
   21,322,605x = 972,455,826,482,176
5. Step 5: Solve for x
   x = 972,455,826,482,176/21,322,605
6. Step 6: Final answer
   x = 45,606,802.10