Finding the Third Proportional to 78,592,892,427 and 170,956,072,250

Step by Step Solution

1. Step 1: Write the proportion equation
   78,592,892,427 : 170,956,072,250 = 170,956,072,250 : x
2. Step 2: Convert to fraction form
   78,592,892,427/170,956,072,250 = 170,956,072,250/x
3. Step 3: Cross multiply
   78,592,892,427x = 170,956,072,250 × 170,956,072,250
4. Step 4: Simplify right side
   78,592,892,427x = 29,225,978,639,147,218,239,488
5. Step 5: Solve for x
   x = 29,225,978,639,147,218,239,488/78,592,892,427
6. Step 6: Final answer
   x = 371,865,416,027.20