Finding the Third Proportional to 689,093,343 and 1,059,185,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   689,093,343 : 1,059,185,956.50 = 1,059,185,956.50 : x
2. Step 2: Convert to fraction form
   689,093,343/1,059,185,956.50 = 1,059,185,956.50/x
3. Step 3: Cross multiply
   689,093,343x = 1,059,185,956.50 × 1,059,185,956.50
4. Step 4: Simplify right side
   689,093,343x = 1,121,874,890,446,819,840
5. Step 5: Solve for x
   x = 1,121,874,890,446,819,840/689,093,343
6. Step 6: Final answer
   x = 1,628,044,882.23