Finding the Third Proportional to 78,923,679,619 and 186,245,758,724

Step by Step Solution

1. Step 1: Write the proportion equation
   78,923,679,619 : 186,245,758,724 = 186,245,758,724 : x
2. Step 2: Convert to fraction form
   78,923,679,619/186,245,758,724 = 186,245,758,724/x
3. Step 3: Cross multiply
   78,923,679,619x = 186,245,758,724 × 186,245,758,724
4. Step 4: Simplify right side
   78,923,679,619x = 34,687,482,642,678,423,748,608
5. Step 5: Solve for x
   x = 34,687,482,642,678,423,748,608/78,923,679,619
6. Step 6: Final answer
   x = 439,506,657,699.32