Finding the Third Proportional to 90,744,680 and 139,481,076

Step by Step Solution

1. Step 1: Write the proportion equation
   90,744,680 : 139,481,076 = 139,481,076 : x
2. Step 2: Convert to fraction form
   90,744,680/139,481,076 = 139,481,076/x
3. Step 3: Cross multiply
   90,744,680x = 139,481,076 × 139,481,076
4. Step 4: Simplify right side
   90,744,680x = 19,454,970,562,117,776
5. Step 5: Solve for x
   x = 19,454,970,562,117,776/90,744,680
6. Step 6: Final answer
   x = 214,392,409.14