Finding the Third Proportional to 35,156,898 and 77,121,108

Step by Step Solution

1. Step 1: Write the proportion equation
   35,156,898 : 77,121,108 = 77,121,108 : x
2. Step 2: Convert to fraction form
   35,156,898/77,121,108 = 77,121,108/x
3. Step 3: Cross multiply
   35,156,898x = 77,121,108 × 77,121,108
4. Step 4: Simplify right side
   35,156,898x = 5,947,665,299,147,664
5. Step 5: Solve for x
   x = 5,947,665,299,147,664/35,156,898
6. Step 6: Final answer
   x = 169,174,916.94