Finding the Third Proportional to 398,238,332,061 and 875,909,971,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   398,238,332,061 : 875,909,971,234.50 = 875,909,971,234.50 : x
2. Step 2: Convert to fraction form
   398,238,332,061/875,909,971,234.50 = 875,909,971,234.50/x
3. Step 3: Cross multiply
   398,238,332,061x = 875,909,971,234.50 × 875,909,971,234.50
4. Step 4: Simplify right side
   398,238,332,061x = 767,218,277,708,022,551,674,880
5. Step 5: Solve for x
   x = 767,218,277,708,022,551,674,880/398,238,332,061
6. Step 6: Final answer
   x = 1,926,530,461,639.50