Finding the Third Proportional to 13,157,970 and 19,736,955

Step by Step Solution

1. Step 1: Write the proportion equation
   13,157,970 : 19,736,955 = 19,736,955 : x
2. Step 2: Convert to fraction form
   13,157,970/19,736,955 = 19,736,955/x
3. Step 3: Cross multiply
   13,157,970x = 19,736,955 × 19,736,955
4. Step 4: Simplify right side
   13,157,970x = 389,547,392,672,025
5. Step 5: Solve for x
   x = 389,547,392,672,025/13,157,970
6. Step 6: Final answer
   x = 29,605,432.50