Finding the Third Proportional to 21,009,850.88 and 31,514,776.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,009,850.88 : 31,514,776.31 = 31,514,776.31 : x
2. Step 2: Convert to fraction form
   21,009,850.88/31,514,776.31 = 31,514,776.31/x
3. Step 3: Cross multiply
   21,009,850.88x = 31,514,776.31 × 31,514,776.31
4. Step 4: Simplify right side
   21,009,850.88x = 993,181,126,026,911.12
5. Step 5: Solve for x
   x = 993,181,126,026,911.12/21,009,850.88
6. Step 6: Final answer
   x = 47,272,164.47