Finding the Third Proportional to 7,872,612,436 and 17,349,913,974

Step by Step Solution

1. Step 1: Write the proportion equation
   7,872,612,436 : 17,349,913,974 = 17,349,913,974 : x
2. Step 2: Convert to fraction form
   7,872,612,436/17,349,913,974 = 17,349,913,974/x
3. Step 3: Cross multiply
   7,872,612,436x = 17,349,913,974 × 17,349,913,974
4. Step 4: Simplify right side
   7,872,612,436x = 301,019,514,905,200,492,544
5. Step 5: Solve for x
   x = 301,019,514,905,200,492,544/7,872,612,436
6. Step 6: Final answer
   x = 38,236,292,889.09