Finding the Third Proportional to 65,990,707 and 99,835,412

Step by Step Solution

1. Step 1: Write the proportion equation
   65,990,707 : 99,835,412 = 99,835,412 : x
2. Step 2: Convert to fraction form
   65,990,707/99,835,412 = 99,835,412/x
3. Step 3: Cross multiply
   65,990,707x = 99,835,412 × 99,835,412
4. Step 4: Simplify right side
   65,990,707x = 9,967,109,489,209,744
5. Step 5: Solve for x
   x = 9,967,109,489,209,744/65,990,707
6. Step 6: Final answer
   x = 151,038,077.06