Finding the Third Proportional to 31,003,060 and 72,414,090

Step by Step Solution

1. Step 1: Write the proportion equation
   31,003,060 : 72,414,090 = 72,414,090 : x
2. Step 2: Convert to fraction form
   31,003,060/72,414,090 = 72,414,090/x
3. Step 3: Cross multiply
   31,003,060x = 72,414,090 × 72,414,090
4. Step 4: Simplify right side
   31,003,060x = 5,243,800,430,528,100
5. Step 5: Solve for x
   x = 5,243,800,430,528,100/31,003,060
6. Step 6: Final answer
   x = 169,138,157.02