Finding the Third Proportional to 18,181,789,632.50 and 42,480,864,536.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,181,789,632.50 : 42,480,864,536.25 = 42,480,864,536.25 : x
2. Step 2: Convert to fraction form
   18,181,789,632.50/42,480,864,536.25 = 42,480,864,536.25/x
3. Step 3: Cross multiply
   18,181,789,632.50x = 42,480,864,536.25 × 42,480,864,536.25
4. Step 4: Simplify right side
   18,181,789,632.50x = 1,804,623,851,747,223,011,328
5. Step 5: Solve for x
   x = 1,804,623,851,747,223,011,328/18,181,789,632.50
6. Step 6: Final answer
   x = 99,254,467,696.70