Finding the Third Proportional to 148,689,485.25 and 322,086,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,689,485.25 : 322,086,562.50 = 322,086,562.50 : x
2. Step 2: Convert to fraction form
   148,689,485.25/322,086,562.50 = 322,086,562.50/x
3. Step 3: Cross multiply
   148,689,485.25x = 322,086,562.50 × 322,086,562.50
4. Step 4: Simplify right side
   148,689,485.25x = 103,739,753,743,066,400
5. Step 5: Solve for x
   x = 103,739,753,743,066,400/148,689,485.25
6. Step 6: Final answer
   x = 697,693,946.34