Finding the Third Proportional to 13,916,124 and 21,066,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,916,124 : 21,066,682.50 = 21,066,682.50 : x
2. Step 2: Convert to fraction form
   13,916,124/21,066,682.50 = 21,066,682.50/x
3. Step 3: Cross multiply
   13,916,124x = 21,066,682.50 × 21,066,682.50
4. Step 4: Simplify right side
   13,916,124x = 443,805,111,555,806.25
5. Step 5: Solve for x
   x = 443,805,111,555,806.25/13,916,124
6. Step 6: Final answer
   x = 31,891,431.23