Finding the Third Proportional to 56,788,389.75 and 123,526,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,788,389.75 : 123,526,690.50 = 123,526,690.50 : x
2. Step 2: Convert to fraction form
   56,788,389.75/123,526,690.50 = 123,526,690.50/x
3. Step 3: Cross multiply
   56,788,389.75x = 123,526,690.50 × 123,526,690.50
4. Step 4: Simplify right side
   56,788,389.75x = 15,258,843,265,882,790
5. Step 5: Solve for x
   x = 15,258,843,265,882,790/56,788,389.75
6. Step 6: Final answer
   x = 268,696,529.93