Finding the Third Proportional to 123,523,299 and 267,381,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,523,299 : 267,381,688.50 = 267,381,688.50 : x
2. Step 2: Convert to fraction form
   123,523,299/267,381,688.50 = 267,381,688.50/x
3. Step 3: Cross multiply
   123,523,299x = 267,381,688.50 × 267,381,688.50
4. Step 4: Simplify right side
   123,523,299x = 71,492,967,345,111,032
5. Step 5: Solve for x
   x = 71,492,967,345,111,032/123,523,299
6. Step 6: Final answer
   x = 578,781,233.37