Finding the Third Proportional to 691,022,475 and 1,059,629,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   691,022,475 : 1,059,629,944.50 = 1,059,629,944.50 : x
2. Step 2: Convert to fraction form
   691,022,475/1,059,629,944.50 = 1,059,629,944.50/x
3. Step 3: Cross multiply
   691,022,475x = 1,059,629,944.50 × 1,059,629,944.50
4. Step 4: Simplify right side
   691,022,475x = 1,122,815,619,281,073,024
5. Step 5: Solve for x
   x = 1,122,815,619,281,073,024/691,022,475
6. Step 6: Final answer
   x = 1,624,861,216.39