Finding the Third Proportional to 51,356,970 and 69,948,117

Step by Step Solution

1. Step 1: Write the proportion equation
   51,356,970 : 69,948,117 = 69,948,117 : x
2. Step 2: Convert to fraction form
   51,356,970/69,948,117 = 69,948,117/x
3. Step 3: Cross multiply
   51,356,970x = 69,948,117 × 69,948,117
4. Step 4: Simplify right side
   51,356,970x = 4,892,739,071,845,689
5. Step 5: Solve for x
   x = 4,892,739,071,845,689/51,356,970
6. Step 6: Final answer
   x = 95,269,231.65