Finding the Third Proportional to 5,523,394,931 and 12,116,147,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,523,394,931 : 12,116,147,565.50 = 12,116,147,565.50 : x
2. Step 2: Convert to fraction form
   5,523,394,931/12,116,147,565.50 = 12,116,147,565.50/x
3. Step 3: Cross multiply
   5,523,394,931x = 12,116,147,565.50 × 12,116,147,565.50
4. Step 4: Simplify right side
   5,523,394,931x = 146,801,031,828,971,569,152
5. Step 5: Solve for x
   x = 146,801,031,828,971,569,152/5,523,394,931
6. Step 6: Final answer
   x = 26,578,043,696.47