Finding the Third Proportional to 69,228,086 and 147,722,140

Step by Step Solution

1. Step 1: Write the proportion equation
   69,228,086 : 147,722,140 = 147,722,140 : x
2. Step 2: Convert to fraction form
   69,228,086/147,722,140 = 147,722,140/x
3. Step 3: Cross multiply
   69,228,086x = 147,722,140 × 147,722,140
4. Step 4: Simplify right side
   69,228,086x = 21,821,830,646,179,600
5. Step 5: Solve for x
   x = 21,821,830,646,179,600/69,228,086
6. Step 6: Final answer
   x = 315,216,437.53