Finding the Third Proportional to 31,488,928 and 51,418,584

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488,928 : 51,418,584 = 51,418,584 : x
2. Step 2: Convert to fraction form
   31,488,928/51,418,584 = 51,418,584/x
3. Step 3: Cross multiply
   31,488,928x = 51,418,584 × 51,418,584
4. Step 4: Simplify right side
   31,488,928x = 2,643,870,780,565,056
5. Step 5: Solve for x
   x = 2,643,870,780,565,056/31,488,928
6. Step 6: Final answer
   x = 83,961,917.68