Finding the Third Proportional to 123,142,534.88 and 267,719,310

Step by Step Solution

1. Step 1: Write the proportion equation
   123,142,534.88 : 267,719,310 = 267,719,310 : x
2. Step 2: Convert to fraction form
   123,142,534.88/267,719,310 = 267,719,310/x
3. Step 3: Cross multiply
   123,142,534.88x = 267,719,310 × 267,719,310
4. Step 4: Simplify right side
   123,142,534.88x = 71,673,628,946,876,096
5. Step 5: Solve for x
   x = 71,673,628,946,876,096/123,142,534.88
6. Step 6: Final answer
   x = 582,037,953.17