Finding the Third Proportional to 72,693,548.75 and 109,093,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,693,548.75 : 109,093,540.50 = 109,093,540.50 : x
2. Step 2: Convert to fraction form
   72,693,548.75/109,093,540.50 = 109,093,540.50/x
3. Step 3: Cross multiply
   72,693,548.75x = 109,093,540.50 × 109,093,540.50
4. Step 4: Simplify right side
   72,693,548.75x = 11,901,400,578,825,140
5. Step 5: Solve for x
   x = 11,901,400,578,825,140/72,693,548.75
6. Step 6: Final answer
   x = 163,720,175.77