Finding the Third Proportional to 11,851,605,782.65 and 17,123,523,715.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,851,605,782.65 : 17,123,523,715.48 = 17,123,523,715.48 : x
2. Step 2: Convert to fraction form
   11,851,605,782.65/17,123,523,715.48 = 17,123,523,715.48/x
3. Step 3: Cross multiply
   11,851,605,782.65x = 17,123,523,715.48 × 17,123,523,715.48
4. Step 4: Simplify right side
   11,851,605,782.65x = 293,215,064,434,468,978,688
5. Step 5: Solve for x
   x = 293,215,064,434,468,978,688/11,851,605,782.65
6. Step 6: Final answer
   x = 24,740,534,726.84