Finding the Third Proportional to 69,901,632 and 109,414,368

Step by Step Solution

1. Step 1: Write the proportion equation
   69,901,632 : 109,414,368 = 109,414,368 : x
2. Step 2: Convert to fraction form
   69,901,632/109,414,368 = 109,414,368/x
3. Step 3: Cross multiply
   69,901,632x = 109,414,368 × 109,414,368
4. Step 4: Simplify right side
   69,901,632x = 11,971,503,924,839,424
5. Step 5: Solve for x
   x = 11,971,503,924,839,424/69,901,632
6. Step 6: Final answer
   x = 171,262,152.00