Finding the Third Proportional to 56,788,394 and 123,526,698

Step by Step Solution

1. Step 1: Write the proportion equation
   56,788,394 : 123,526,698 = 123,526,698 : x
2. Step 2: Convert to fraction form
   56,788,394/123,526,698 = 123,526,698/x
3. Step 3: Cross multiply
   56,788,394x = 123,526,698 × 123,526,698
4. Step 4: Simplify right side
   56,788,394x = 15,258,845,118,783,204
5. Step 5: Solve for x
   x = 15,258,845,118,783,204/56,788,394
6. Step 6: Final answer
   x = 268,696,542.44