Finding the Third Proportional to 865,344,915.56 and 1,761,271,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   865,344,915.56 : 1,761,271,654.50 = 1,761,271,654.50 : x
2. Step 2: Convert to fraction form
   865,344,915.56/1,761,271,654.50 = 1,761,271,654.50/x
3. Step 3: Cross multiply
   865,344,915.56x = 1,761,271,654.50 × 1,761,271,654.50
4. Step 4: Simplify right side
   865,344,915.56x = 3,102,077,840,945,167,360
5. Step 5: Solve for x
   x = 3,102,077,840,945,167,360/865,344,915.56
6. Step 6: Final answer
   x = 3,584,787,736.26