Finding the Third Proportional to 78,376,724 and 109,622,912

Step by Step Solution

1. Step 1: Write the proportion equation
   78,376,724 : 109,622,912 = 109,622,912 : x
2. Step 2: Convert to fraction form
   78,376,724/109,622,912 = 109,622,912/x
3. Step 3: Cross multiply
   78,376,724x = 109,622,912 × 109,622,912
4. Step 4: Simplify right side
   78,376,724x = 12,017,182,835,359,744
5. Step 5: Solve for x
   x = 12,017,182,835,359,744/78,376,724
6. Step 6: Final answer
   x = 153,325,913.89