Finding the Third Proportional to 30,759,488.75 and 72,610,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,759,488.75 : 72,610,713.50 = 72,610,713.50 : x
2. Step 2: Convert to fraction form
   30,759,488.75/72,610,713.50 = 72,610,713.50/x
3. Step 3: Cross multiply
   30,759,488.75x = 72,610,713.50 × 72,610,713.50
4. Step 4: Simplify right side
   30,759,488.75x = 5,272,315,714,979,082
5. Step 5: Solve for x
   x = 5,272,315,714,979,082/30,759,488.75
6. Step 6: Final answer
   x = 171,404,530.09