Finding the Third Proportional to 21,336,891 and 46,085,385

Step by Step Solution

1. Step 1: Write the proportion equation
   21,336,891 : 46,085,385 = 46,085,385 : x
2. Step 2: Convert to fraction form
   21,336,891/46,085,385 = 46,085,385/x
3. Step 3: Cross multiply
   21,336,891x = 46,085,385 × 46,085,385
4. Step 4: Simplify right side
   21,336,891x = 2,123,862,710,598,225
5. Step 5: Solve for x
   x = 2,123,862,710,598,225/21,336,891
6. Step 6: Final answer
   x = 99,539,464.80