Finding the Third Proportional to 56,041,688 and 123,116,246

Step by Step Solution

1. Step 1: Write the proportion equation
   56,041,688 : 123,116,246 = 123,116,246 : x
2. Step 2: Convert to fraction form
   56,041,688/123,116,246 = 123,116,246/x
3. Step 3: Cross multiply
   56,041,688x = 123,116,246 × 123,116,246
4. Step 4: Simplify right side
   56,041,688x = 15,157,610,029,132,516
5. Step 5: Solve for x
   x = 15,157,610,029,132,516/56,041,688
6. Step 6: Final answer
   x = 270,470,261.87