Finding the Third Proportional to 69,479,064 and 148,499,766

Step by Step Solution

1. Step 1: Write the proportion equation
   69,479,064 : 148,499,766 = 148,499,766 : x
2. Step 2: Convert to fraction form
   69,479,064/148,499,766 = 148,499,766/x
3. Step 3: Cross multiply
   69,479,064x = 148,499,766 × 148,499,766
4. Step 4: Simplify right side
   69,479,064x = 22,052,180,502,054,756
5. Step 5: Solve for x
   x = 22,052,180,502,054,756/69,479,064
6. Step 6: Final answer
   x = 317,393,171.88