Finding the Third Proportional to 3,634,447,896 and 7,905,685,680

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,447,896 : 7,905,685,680 = 7,905,685,680 : x
2. Step 2: Convert to fraction form
   3,634,447,896/7,905,685,680 = 7,905,685,680/x
3. Step 3: Cross multiply
   3,634,447,896x = 7,905,685,680 × 7,905,685,680
4. Step 4: Simplify right side
   3,634,447,896x = 62,499,866,070,957,064,192
5. Step 5: Solve for x
   x = 62,499,866,070,957,064,192/3,634,447,896
6. Step 6: Final answer
   x = 17,196,522,789.54