Finding the Third Proportional to 31,488,930 and 51,418,587

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488,930 : 51,418,587 = 51,418,587 : x
2. Step 2: Convert to fraction form
   31,488,930/51,418,587 = 51,418,587/x
3. Step 3: Cross multiply
   31,488,930x = 51,418,587 × 51,418,587
4. Step 4: Simplify right side
   31,488,930x = 2,643,871,089,076,569
5. Step 5: Solve for x
   x = 2,643,871,089,076,569/31,488,930
6. Step 6: Final answer
   x = 83,961,922.14