Finding the Third Proportional to 69,491,205 and 148,216,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,491,205 : 148,216,045.50 = 148,216,045.50 : x
2. Step 2: Convert to fraction form
   69,491,205/148,216,045.50 = 148,216,045.50/x
3. Step 3: Cross multiply
   69,491,205x = 148,216,045.50 × 148,216,045.50
4. Step 4: Simplify right side
   69,491,205x = 21,967,996,143,658,072
5. Step 5: Solve for x
   x = 21,967,996,143,658,072/69,491,205
6. Step 6: Final answer
   x = 316,126,280.21