Finding the Third Proportional to 123,498,573.75 and 164,642,402.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,498,573.75 : 164,642,402.25 = 164,642,402.25 : x
2. Step 2: Convert to fraction form
   123,498,573.75/164,642,402.25 = 164,642,402.25/x
3. Step 3: Cross multiply
   123,498,573.75x = 164,642,402.25 × 164,642,402.25
4. Step 4: Simplify right side
   123,498,573.75x = 27,107,120,618,650,804
5. Step 5: Solve for x
   x = 27,107,120,618,650,804/123,498,573.75
6. Step 6: Final answer
   x = 219,493,390.05