Finding the Third Proportional to 418,927,931 and 888,921,300

Step by Step Solution

1. Step 1: Write the proportion equation
   418,927,931 : 888,921,300 = 888,921,300 : x
2. Step 2: Convert to fraction form
   418,927,931/888,921,300 = 888,921,300/x
3. Step 3: Cross multiply
   418,927,931x = 888,921,300 × 888,921,300
4. Step 4: Simplify right side
   418,927,931x = 790,181,077,593,689,984
5. Step 5: Solve for x
   x = 790,181,077,593,689,984/418,927,931
6. Step 6: Final answer
   x = 1,886,198,124.12