Finding the Third Proportional to 65,990,716 and 99,835,424

Step by Step Solution

1. Step 1: Write the proportion equation
   65,990,716 : 99,835,424 = 99,835,424 : x
2. Step 2: Convert to fraction form
   65,990,716/99,835,424 = 99,835,424/x
3. Step 3: Cross multiply
   65,990,716x = 99,835,424 × 99,835,424
4. Step 4: Simplify right side
   65,990,716x = 9,967,111,885,259,776
5. Step 5: Solve for x
   x = 9,967,111,885,259,776/65,990,716
6. Step 6: Final answer
   x = 151,038,092.77