Finding the Third Proportional to 7,782,696 and 12,432,736

Step by Step Solution

1. Step 1: Write the proportion equation
   7,782,696 : 12,432,736 = 12,432,736 : x
2. Step 2: Convert to fraction form
   7,782,696/12,432,736 = 12,432,736/x
3. Step 3: Cross multiply
   7,782,696x = 12,432,736 × 12,432,736
4. Step 4: Simplify right side
   7,782,696x = 154,572,924,445,696
5. Step 5: Solve for x
   x = 154,572,924,445,696/7,782,696
6. Step 6: Final answer
   x = 19,861,102.69