Finding the Third Proportional to 3,634,447,900 and 7,905,685,688

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,447,900 : 7,905,685,688 = 7,905,685,688 : x
2. Step 2: Convert to fraction form
   3,634,447,900/7,905,685,688 = 7,905,685,688/x
3. Step 3: Cross multiply
   3,634,447,900x = 7,905,685,688 × 7,905,685,688
4. Step 4: Simplify right side
   3,634,447,900x = 62,499,866,197,448,032,256
5. Step 5: Solve for x
   x = 62,499,866,197,448,032,256/3,634,447,900
6. Step 6: Final answer
   x = 17,196,522,805.42