Finding the Third Proportional to 78,592,892,422.50 and 170,956,072,242

Step by Step Solution

1. Step 1: Write the proportion equation
   78,592,892,422.50 : 170,956,072,242 = 170,956,072,242 : x
2. Step 2: Convert to fraction form
   78,592,892,422.50/170,956,072,242 = 170,956,072,242/x
3. Step 3: Cross multiply
   78,592,892,422.50x = 170,956,072,242 × 170,956,072,242
4. Step 4: Simplify right side
   78,592,892,422.50x = 29,225,978,636,411,923,857,408
5. Step 5: Solve for x
   x = 29,225,978,636,411,923,857,408/78,592,892,422.50
6. Step 6: Final answer
   x = 371,865,416,013.69