Finding the Third Proportional to 9,629,919,478 and 13,561,048,688

Step by Step Solution

1. Step 1: Write the proportion equation
   9,629,919,478 : 13,561,048,688 = 13,561,048,688 : x
2. Step 2: Convert to fraction form
   9,629,919,478/13,561,048,688 = 13,561,048,688/x
3. Step 3: Cross multiply
   9,629,919,478x = 13,561,048,688 × 13,561,048,688
4. Step 4: Simplify right side
   9,629,919,478x = 183,902,041,518,306,525,184
5. Step 5: Solve for x
   x = 183,902,041,518,306,525,184/9,629,919,478
6. Step 6: Final answer
   x = 19,096,944,885.00