Finding the Third Proportional to 19,966,056 and 31,588,080

Step by Step Solution

1. Step 1: Write the proportion equation
   19,966,056 : 31,588,080 = 31,588,080 : x
2. Step 2: Convert to fraction form
   19,966,056/31,588,080 = 31,588,080/x
3. Step 3: Cross multiply
   19,966,056x = 31,588,080 × 31,588,080
4. Step 4: Simplify right side
   19,966,056x = 997,806,798,086,400
5. Step 5: Solve for x
   x = 997,806,798,086,400/19,966,056
6. Step 6: Final answer
   x = 49,975,157.74