Finding the Third Proportional to 67,776,578 and 148,491,316

Step by Step Solution

1. Step 1: Write the proportion equation
   67,776,578 : 148,491,316 = 148,491,316 : x
2. Step 2: Convert to fraction form
   67,776,578/148,491,316 = 148,491,316/x
3. Step 3: Cross multiply
   67,776,578x = 148,491,316 × 148,491,316
4. Step 4: Simplify right side
   67,776,578x = 22,049,670,927,411,856
5. Step 5: Solve for x
   x = 22,049,670,927,411,856/67,776,578
6. Step 6: Final answer
   x = 325,328,772.54