Finding the Third Proportional to 708,567,678.75 and 997,384,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   708,567,678.75 : 997,384,624.50 = 997,384,624.50 : x
2. Step 2: Convert to fraction form
   708,567,678.75/997,384,624.50 = 997,384,624.50/x
3. Step 3: Cross multiply
   708,567,678.75x = 997,384,624.50 × 997,384,624.50
4. Step 4: Simplify right side
   708,567,678.75x = 994,776,089,189,005,952
5. Step 5: Solve for x
   x = 994,776,089,189,005,952/708,567,678.75
6. Step 6: Final answer
   x = 1,403,925,297.50