Finding the Third Proportional to 99,525,373,818 and 219,337,189,048

Step by Step Solution

1. Step 1: Write the proportion equation
   99,525,373,818 : 219,337,189,048 = 219,337,189,048 : x
2. Step 2: Convert to fraction form
   99,525,373,818/219,337,189,048 = 219,337,189,048/x
3. Step 3: Cross multiply
   99,525,373,818x = 219,337,189,048 × 219,337,189,048
4. Step 4: Simplify right side
   99,525,373,818x = 48,108,802,499,478,087,008,256
5. Step 5: Solve for x
   x = 48,108,802,499,478,087,008,256/99,525,373,818
6. Step 6: Final answer
   x = 483,382,283,873.19