Finding the Third Proportional to 862,145,905.50 and 1,887,510,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   862,145,905.50 : 1,887,510,505.50 = 1,887,510,505.50 : x
2. Step 2: Convert to fraction form
   862,145,905.50/1,887,510,505.50 = 1,887,510,505.50/x
3. Step 3: Cross multiply
   862,145,905.50x = 1,887,510,505.50 × 1,887,510,505.50
4. Step 4: Simplify right side
   862,145,905.50x = 3,562,695,908,372,865,536
5. Step 5: Solve for x
   x = 3,562,695,908,372,865,536/862,145,905.50
6. Step 6: Final answer
   x = 4,132,358,439.15