Finding the Third Proportional to 21,008,970 and 45,698,904

Step by Step Solution

1. Step 1: Write the proportion equation
   21,008,970 : 45,698,904 = 45,698,904 : x
2. Step 2: Convert to fraction form
   21,008,970/45,698,904 = 45,698,904/x
3. Step 3: Cross multiply
   21,008,970x = 45,698,904 × 45,698,904
4. Step 4: Simplify right side
   21,008,970x = 2,088,389,826,801,216
5. Step 5: Solve for x
   x = 2,088,389,826,801,216/21,008,970
6. Step 6: Final answer
   x = 99,404,674.61