Finding the Third Proportional to 28,102,054 and 42,153,078

Step by Step Solution

1. Step 1: Write the proportion equation
   28,102,054 : 42,153,078 = 42,153,078 : x
2. Step 2: Convert to fraction form
   28,102,054/42,153,078 = 42,153,078/x
3. Step 3: Cross multiply
   28,102,054x = 42,153,078 × 42,153,078
4. Step 4: Simplify right side
   28,102,054x = 1,776,881,984,874,084
5. Step 5: Solve for x
   x = 1,776,881,984,874,084/28,102,054
6. Step 6: Final answer
   x = 63,229,612.50